Home / 3,155,065.56-4,356,092.52-1,866,319.92

Finding the Fourth Proportional to 3,155,065.56, 4,356,092.52 and 1,866,319.92

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Solution

The fourth proportional to 3,155,065.56, 4,356,092.52 and 1,866,319.92 is: 2,576,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,065.56 : 4,356,092.52 = 1,866,319.92 : x
  2. Step 2: Convert to fraction form
    3,155,065.56/4,356,092.52 = 1,866,319.92/x
  3. Step 3: Cross multiply
    3,155,065.56x = 4,356,092.52 × 1,866,319.92
  4. Step 4: Simplify right side
    3,155,065.56x = 8,129,862,243,439.00
  5. Step 5: Solve for x
    x = 8,129,862,243,439.00/3,155,065.56
  6. Step 6: Final answer
    x = 2,576,764.92

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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.