Home / 3,432,048.20-5,148,072.30-3,138,115.40

Finding the Fourth Proportional to 3,432,048.20, 5,148,072.30 and 3,138,115.40

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Solution

The fourth proportional to 3,432,048.20, 5,148,072.30 and 3,138,115.40 is: 4,707,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,048.20 : 5,148,072.30 = 3,138,115.40 : x
  2. Step 2: Convert to fraction form
    3,432,048.20/5,148,072.30 = 3,138,115.40/x
  3. Step 3: Cross multiply
    3,432,048.20x = 5,148,072.30 × 3,138,115.40
  4. Step 4: Simplify right side
    3,432,048.20x = 16,155,244,964,943.42
  5. Step 5: Solve for x
    x = 16,155,244,964,943.42/3,432,048.20
  6. Step 6: Final answer
    x = 4,707,173.10

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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.