Home / 1,791,985.47-2,472,938.87-987,169.47

Finding the Fourth Proportional to 1,791,985.47, 2,472,938.87 and 987,169.47

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Solution

The fourth proportional to 1,791,985.47, 2,472,938.87 and 987,169.47 is: 1,362,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,985.47 : 2,472,938.87 = 987,169.47 : x
  2. Step 2: Convert to fraction form
    1,791,985.47/2,472,938.87 = 987,169.47/x
  3. Step 3: Cross multiply
    1,791,985.47x = 2,472,938.87 × 987,169.47
  4. Step 4: Simplify right side
    1,791,985.47x = 2,441,209,753,640.30
  5. Step 5: Solve for x
    x = 2,441,209,753,640.30/1,791,985.47
  6. Step 6: Final answer
    x = 1,362,293.27

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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.