Home / 5,717,385.12-7,890,007.20-3,139,232.88

Finding the Fourth Proportional to 5,717,385.12, 7,890,007.20 and 3,139,232.88

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Solution

The fourth proportional to 5,717,385.12, 7,890,007.20 and 3,139,232.88 is: 4,332,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717,385.12 : 7,890,007.20 = 3,139,232.88 : x
  2. Step 2: Convert to fraction form
    5,717,385.12/7,890,007.20 = 3,139,232.88/x
  3. Step 3: Cross multiply
    5,717,385.12x = 7,890,007.20 × 3,139,232.88
  4. Step 4: Simplify right side
    5,717,385.12x = 24,768,570,025,676.73
  5. Step 5: Solve for x
    x = 24,768,570,025,676.73/5,717,385.12
  6. Step 6: Final answer
    x = 4,332,150.01

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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.