Home / 5,388,000.90-8,082,001.35-3,148,512.90

Finding the Fourth Proportional to 5,388,000.90, 8,082,001.35 and 3,148,512.90

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Solution

The fourth proportional to 5,388,000.90, 8,082,001.35 and 3,148,512.90 is: 4,722,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,000.90 : 8,082,001.35 = 3,148,512.90 : x
  2. Step 2: Convert to fraction form
    5,388,000.90/8,082,001.35 = 3,148,512.90/x
  3. Step 3: Cross multiply
    5,388,000.90x = 8,082,001.35 × 3,148,512.90
  4. Step 4: Simplify right side
    5,388,000.90x = 25,446,285,508,292.41
  5. Step 5: Solve for x
    x = 25,446,285,508,292.41/5,388,000.90
  6. Step 6: Final answer
    x = 4,722,769.35

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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.