Home / 6,389,318.72-8,817,278.32-3,488,734.64

Finding the Fourth Proportional to 6,389,318.72, 8,817,278.32 and 3,488,734.64

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Solution

The fourth proportional to 6,389,318.72, 8,817,278.32 and 3,488,734.64 is: 4,814,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,318.72 : 8,817,278.32 = 3,488,734.64 : x
  2. Step 2: Convert to fraction form
    6,389,318.72/8,817,278.32 = 3,488,734.64/x
  3. Step 3: Cross multiply
    6,389,318.72x = 8,817,278.32 × 3,488,734.64
  4. Step 4: Simplify right side
    6,389,318.72x = 30,761,144,305,505.01
  5. Step 5: Solve for x
    x = 30,761,144,305,505.01/6,389,318.72
  6. Step 6: Final answer
    x = 4,814,463.90

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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.