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Finding the Fourth Proportional to 5,912,659.40, 8,868,989.10 and 2,317,231.40

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Solution

The fourth proportional to 5,912,659.40, 8,868,989.10 and 2,317,231.40 is: 3,475,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,659.40 : 8,868,989.10 = 2,317,231.40 : x
  2. Step 2: Convert to fraction form
    5,912,659.40/8,868,989.10 = 2,317,231.40/x
  3. Step 3: Cross multiply
    5,912,659.40x = 8,868,989.10 × 2,317,231.40
  4. Step 4: Simplify right side
    5,912,659.40x = 20,551,500,028,777.74
  5. Step 5: Solve for x
    x = 20,551,500,028,777.74/5,912,659.40
  6. Step 6: Final answer
    x = 3,475,847.10

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Similar ratio
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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.