Home / 5,390,812.10-8,086,218.15-2,194,292.90

Finding the Fourth Proportional to 5,390,812.10, 8,086,218.15 and 2,194,292.90

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Solution

The fourth proportional to 5,390,812.10, 8,086,218.15 and 2,194,292.90 is: 3,291,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,812.10 : 8,086,218.15 = 2,194,292.90 : x
  2. Step 2: Convert to fraction form
    5,390,812.10/8,086,218.15 = 2,194,292.90/x
  3. Step 3: Cross multiply
    5,390,812.10x = 8,086,218.15 × 2,194,292.90
  4. Step 4: Simplify right side
    5,390,812.10x = 17,743,531,074,396.14
  5. Step 5: Solve for x
    x = 17,743,531,074,396.14/5,390,812.10
  6. Step 6: Final answer
    x = 3,291,439.35

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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.