Home / 5,613,666.30-8,420,499.45-2,019,987.90

Finding the Fourth Proportional to 5,613,666.30, 8,420,499.45 and 2,019,987.90

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Solution

The fourth proportional to 5,613,666.30, 8,420,499.45 and 2,019,987.90 is: 3,029,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613,666.30 : 8,420,499.45 = 2,019,987.90 : x
  2. Step 2: Convert to fraction form
    5,613,666.30/8,420,499.45 = 2,019,987.90/x
  3. Step 3: Cross multiply
    5,613,666.30x = 8,420,499.45 × 2,019,987.90
  4. Step 4: Simplify right side
    5,613,666.30x = 17,009,307,000,956.65
  5. Step 5: Solve for x
    x = 17,009,307,000,956.65/5,613,666.30
  6. Step 6: Final answer
    x = 3,029,981.85

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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.