Home / 1,807,920.71-2,494,961.21-992,200.29

Finding the Fourth Proportional to 1,807,920.71, 2,494,961.21 and 992,200.29

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Solution

The fourth proportional to 1,807,920.71, 2,494,961.21 and 992,200.29 is: 1,369,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,920.71 : 2,494,961.21 = 992,200.29 : x
  2. Step 2: Convert to fraction form
    1,807,920.71/2,494,961.21 = 992,200.29/x
  3. Step 3: Cross multiply
    1,807,920.71x = 2,494,961.21 × 992,200.29
  4. Step 4: Simplify right side
    1,807,920.71x = 2,475,501,231,139.75
  5. Step 5: Solve for x
    x = 2,475,501,231,139.75/1,807,920.71
  6. Step 6: Final answer
    x = 1,369,253.21

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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.