Home / 6,496,891.60-9,745,337.40-3,131,438.80

Finding the Fourth Proportional to 6,496,891.60, 9,745,337.40 and 3,131,438.80

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Solution

The fourth proportional to 6,496,891.60, 9,745,337.40 and 3,131,438.80 is: 4,697,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496,891.60 : 9,745,337.40 = 3,131,438.80 : x
  2. Step 2: Convert to fraction form
    6,496,891.60/9,745,337.40 = 3,131,438.80/x
  3. Step 3: Cross multiply
    6,496,891.60x = 9,745,337.40 × 3,131,438.80
  4. Step 4: Simplify right side
    6,496,891.60x = 30,516,927,653,451.12
  5. Step 5: Solve for x
    x = 30,516,927,653,451.12/6,496,891.60
  6. Step 6: Final answer
    x = 4,697,158.20

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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.