Home / 5,472,000.80-8,208,001.20-3,680,410.40

Finding the Fourth Proportional to 5,472,000.80, 8,208,001.20 and 3,680,410.40

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Solution

The fourth proportional to 5,472,000.80, 8,208,001.20 and 3,680,410.40 is: 5,520,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,000.80 : 8,208,001.20 = 3,680,410.40 : x
  2. Step 2: Convert to fraction form
    5,472,000.80/8,208,001.20 = 3,680,410.40/x
  3. Step 3: Cross multiply
    5,472,000.80x = 8,208,001.20 × 3,680,410.40
  4. Step 4: Simplify right side
    5,472,000.80x = 30,208,812,979,692.48
  5. Step 5: Solve for x
    x = 30,208,812,979,692.48/5,472,000.80
  6. Step 6: Final answer
    x = 5,520,615.60

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Similar ratio
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1.5x scale

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.