Home / 5,526,999.90-8,290,499.85-3,613,812.30

Finding the Fourth Proportional to 5,526,999.90, 8,290,499.85 and 3,613,812.30

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Solution

The fourth proportional to 5,526,999.90, 8,290,499.85 and 3,613,812.30 is: 5,420,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526,999.90 : 8,290,499.85 = 3,613,812.30 : x
  2. Step 2: Convert to fraction form
    5,526,999.90/8,290,499.85 = 3,613,812.30/x
  3. Step 3: Cross multiply
    5,526,999.90x = 8,290,499.85 × 3,613,812.30
  4. Step 4: Simplify right side
    5,526,999.90x = 29,960,310,331,078.15
  5. Step 5: Solve for x
    x = 29,960,310,331,078.15/5,526,999.90
  6. Step 6: Final answer
    x = 5,420,718.45

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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.