Home / 6,178,609.80-9,267,914.70-3,911,128.20

Finding the Fourth Proportional to 6,178,609.80, 9,267,914.70 and 3,911,128.20

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Solution

The fourth proportional to 6,178,609.80, 9,267,914.70 and 3,911,128.20 is: 5,866,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,609.80 : 9,267,914.70 = 3,911,128.20 : x
  2. Step 2: Convert to fraction form
    6,178,609.80/9,267,914.70 = 3,911,128.20/x
  3. Step 3: Cross multiply
    6,178,609.80x = 9,267,914.70 × 3,911,128.20
  4. Step 4: Simplify right side
    6,178,609.80x = 36,248,002,538,364.54
  5. Step 5: Solve for x
    x = 36,248,002,538,364.54/6,178,609.80
  6. Step 6: Final answer
    x = 5,866,692.30

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Similar ratio
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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.