Home / 5,390,000.20-8,085,000.30-2,555,648.20

Finding the Fourth Proportional to 5,390,000.20, 8,085,000.30 and 2,555,648.20

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Solution

The fourth proportional to 5,390,000.20, 8,085,000.30 and 2,555,648.20 is: 3,833,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,000.20 : 8,085,000.30 = 2,555,648.20 : x
  2. Step 2: Convert to fraction form
    5,390,000.20/8,085,000.30 = 2,555,648.20/x
  3. Step 3: Cross multiply
    5,390,000.20x = 8,085,000.30 × 2,555,648.20
  4. Step 4: Simplify right side
    5,390,000.20x = 20,662,416,463,694.46
  5. Step 5: Solve for x
    x = 20,662,416,463,694.46/5,390,000.20
  6. Step 6: Final answer
    x = 3,833,472.30

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Double scale
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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.