Home / 2,259,859.69-3,118,628.88-1,227,387.63

Finding the Fourth Proportional to 2,259,859.69, 3,118,628.88 and 1,227,387.63

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Solution

The fourth proportional to 2,259,859.69, 3,118,628.88 and 1,227,387.63 is: 1,693,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,859.69 : 3,118,628.88 = 1,227,387.63 : x
  2. Step 2: Convert to fraction form
    2,259,859.69/3,118,628.88 = 1,227,387.63/x
  3. Step 3: Cross multiply
    2,259,859.69x = 3,118,628.88 × 1,227,387.63
  4. Step 4: Simplify right side
    2,259,859.69x = 3,827,766,509,872.75
  5. Step 5: Solve for x
    x = 3,827,766,509,872.75/2,259,859.69
  6. Step 6: Final answer
    x = 1,693,807.15

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Double scale
Find fourth proportional to 2,259,860.69, 3,118,630.26 and 1,227,388.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.