Home / 1,811,399.17-2,718,445.71-731,921.11

Finding the Fourth Proportional to 1,811,399.17, 2,718,445.71 and 731,921.11

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Solution

The fourth proportional to 1,811,399.17, 2,718,445.71 and 731,921.11 is: 1,098,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,399.17 : 2,718,445.71 = 731,921.11 : x
  2. Step 2: Convert to fraction form
    1,811,399.17/2,718,445.71 = 731,921.11/x
  3. Step 3: Cross multiply
    1,811,399.17x = 2,718,445.71 × 731,921.11
  4. Step 4: Simplify right side
    1,811,399.17x = 1,989,687,787,945.71
  5. Step 5: Solve for x
    x = 1,989,687,787,945.71/1,811,399.17
  6. Step 6: Final answer
    x = 1,098,425.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.