Home / 6,178,420.80-9,267,631.20-3,910,939.20

Finding the Fourth Proportional to 6,178,420.80, 9,267,631.20 and 3,910,939.20

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Solution

The fourth proportional to 6,178,420.80, 9,267,631.20 and 3,910,939.20 is: 5,866,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,420.80 : 9,267,631.20 = 3,910,939.20 : x
  2. Step 2: Convert to fraction form
    6,178,420.80/9,267,631.20 = 3,910,939.20/x
  3. Step 3: Cross multiply
    6,178,420.80x = 9,267,631.20 × 3,910,939.20
  4. Step 4: Simplify right side
    6,178,420.80x = 36,245,142,151,223.04
  5. Step 5: Solve for x
    x = 36,245,142,151,223.04/6,178,420.80
  6. Step 6: Final answer
    x = 5,866,408.80

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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.