Home / 6,321,458.30-8,723,612.50-3,420,849.20

Finding the Fourth Proportional to 6,321,458.30, 8,723,612.50 and 3,420,849.20

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Solution

The fourth proportional to 6,321,458.30, 8,723,612.50 and 3,420,849.20 is: 4,720,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,458.30 : 8,723,612.50 = 3,420,849.20 : x
  2. Step 2: Convert to fraction form
    6,321,458.30/8,723,612.50 = 3,420,849.20/x
  3. Step 3: Cross multiply
    6,321,458.30x = 8,723,612.50 × 3,420,849.20
  4. Step 4: Simplify right side
    6,321,458.30x = 29,842,162,789,564.82
  5. Step 5: Solve for x
    x = 29,842,162,789,564.82/6,321,458.30
  6. Step 6: Final answer
    x = 4,720,771.92

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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.