Home / 3,654,549.45-5,481,824.18-2,990,248.20

Finding the Fourth Proportional to 3,654,549.45, 5,481,824.18 and 2,990,248.20

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Solution

The fourth proportional to 3,654,549.45, 5,481,824.18 and 2,990,248.20 is: 4,485,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654,549.45 : 5,481,824.18 = 2,990,248.20 : x
  2. Step 2: Convert to fraction form
    3,654,549.45/5,481,824.18 = 2,990,248.20/x
  3. Step 3: Cross multiply
    3,654,549.45x = 5,481,824.18 × 2,990,248.20
  4. Step 4: Simplify right side
    3,654,549.45x = 16,392,014,872,010.24
  5. Step 5: Solve for x
    x = 16,392,014,872,010.24/3,654,549.45
  6. Step 6: Final answer
    x = 4,485,372.30

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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.