Home / 2,221,318.80-3,331,632.60-623,725.20

Finding the Fourth Proportional to 2,221,318.80, 3,331,632.60 and 623,725.20

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Solution

The fourth proportional to 2,221,318.80, 3,331,632.60 and 623,725.20 is: 935,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,318.80 : 3,331,632.60 = 623,725.20 : x
  2. Step 2: Convert to fraction form
    2,221,318.80/3,331,632.60 = 623,725.20/x
  3. Step 3: Cross multiply
    2,221,318.80x = 3,331,632.60 × 623,725.20
  4. Step 4: Simplify right side
    2,221,318.80x = 2,078,023,209,761.52
  5. Step 5: Solve for x
    x = 2,078,023,209,761.52/2,221,318.80
  6. Step 6: Final answer
    x = 935,490.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.