Home / 6,315,379.78-8,715,230.28-3,414,769.90

Finding the Fourth Proportional to 6,315,379.78, 8,715,230.28 and 3,414,769.90

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Solution

The fourth proportional to 6,315,379.78, 8,715,230.28 and 3,414,769.90 is: 4,712,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,379.78 : 8,715,230.28 = 3,414,769.90 : x
  2. Step 2: Convert to fraction form
    6,315,379.78/8,715,230.28 = 3,414,769.90/x
  3. Step 3: Cross multiply
    6,315,379.78x = 8,715,230.28 × 3,414,769.90
  4. Step 4: Simplify right side
    6,315,379.78x = 29,760,506,031,712.57
  5. Step 5: Solve for x
    x = 29,760,506,031,712.57/6,315,379.78
  6. Step 6: Final answer
    x = 4,712,385.81

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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.