Home / 6,321,340.57-8,723,472.96-3,420,731.11

Finding the Fourth Proportional to 6,321,340.57, 8,723,472.96 and 3,420,731.11

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Solution

The fourth proportional to 6,321,340.57, 8,723,472.96 and 3,420,731.11 is: 4,720,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,340.57 : 8,723,472.96 = 3,420,731.11 : x
  2. Step 2: Convert to fraction form
    6,321,340.57/8,723,472.96 = 3,420,731.11/x
  3. Step 3: Cross multiply
    6,321,340.57x = 8,723,472.96 × 3,420,731.11
  4. Step 4: Simplify right side
    6,321,340.57x = 29,840,655,341,515.79
  5. Step 5: Solve for x
    x = 29,840,655,341,515.79/6,321,340.57
  6. Step 6: Final answer
    x = 4,720,621.36

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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.