Home / 6,443,201.61-8,891,390.55-3,542,569.83

Finding the Fourth Proportional to 6,443,201.61, 8,891,390.55 and 3,542,569.83

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Solution

The fourth proportional to 6,443,201.61, 8,891,390.55 and 3,542,569.83 is: 4,888,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,201.61 : 8,891,390.55 = 3,542,569.83 : x
  2. Step 2: Convert to fraction form
    6,443,201.61/8,891,390.55 = 3,542,569.83/x
  3. Step 3: Cross multiply
    6,443,201.61x = 8,891,390.55 × 3,542,569.83
  4. Step 4: Simplify right side
    6,443,201.61x = 31,498,371,909,177.11
  5. Step 5: Solve for x
    x = 31,498,371,909,177.11/6,443,201.61
  6. Step 6: Final answer
    x = 4,888,621.19

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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.