Home / 1,987,933.08-2,743,275.65-1,214,857.29

Finding the Fourth Proportional to 1,987,933.08, 2,743,275.65 and 1,214,857.29

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Solution

The fourth proportional to 1,987,933.08, 2,743,275.65 and 1,214,857.29 is: 1,676,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,933.08 : 2,743,275.65 = 1,214,857.29 : x
  2. Step 2: Convert to fraction form
    1,987,933.08/2,743,275.65 = 1,214,857.29/x
  3. Step 3: Cross multiply
    1,987,933.08x = 2,743,275.65 × 1,214,857.29
  4. Step 4: Simplify right side
    1,987,933.08x = 3,332,688,417,497.63
  5. Step 5: Solve for x
    x = 3,332,688,417,497.63/1,987,933.08
  6. Step 6: Final answer
    x = 1,676,459.05

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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.