Home / 1,861,839.56-2,569,447.92-1,402,142.60

Finding the Fourth Proportional to 1,861,839.56, 2,569,447.92 and 1,402,142.60

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Solution

The fourth proportional to 1,861,839.56, 2,569,447.92 and 1,402,142.60 is: 1,935,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,839.56 : 2,569,447.92 = 1,402,142.60 : x
  2. Step 2: Convert to fraction form
    1,861,839.56/2,569,447.92 = 1,402,142.60/x
  3. Step 3: Cross multiply
    1,861,839.56x = 2,569,447.92 × 1,402,142.60
  4. Step 4: Simplify right side
    1,861,839.56x = 3,602,732,387,113.39
  5. Step 5: Solve for x
    x = 3,602,732,387,113.39/1,861,839.56
  6. Step 6: Final answer
    x = 1,935,039.12

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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.