Home / 2,259,992.28-3,118,812-1,227,520.26

Finding the Fourth Proportional to 2,259,992.28, 3,118,812 and 1,227,520.26

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Solution

The fourth proportional to 2,259,992.28, 3,118,812 and 1,227,520.26 is: 1,693,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,992.28 : 3,118,812 = 1,227,520.26 : x
  2. Step 2: Convert to fraction form
    2,259,992.28/3,118,812 = 1,227,520.26/x
  3. Step 3: Cross multiply
    2,259,992.28x = 3,118,812 × 1,227,520.26
  4. Step 4: Simplify right side
    2,259,992.28x = 3,828,404,917,131.12
  5. Step 5: Solve for x
    x = 3,828,404,917,131.12/2,259,992.28
  6. Step 6: Final answer
    x = 1,693,990.26

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Double scale
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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.