Home / 5,215,087.60-7,822,631.40-2,664,170.80

Finding the Fourth Proportional to 5,215,087.60, 7,822,631.40 and 2,664,170.80

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Solution

The fourth proportional to 5,215,087.60, 7,822,631.40 and 2,664,170.80 is: 3,996,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,087.60 : 7,822,631.40 = 2,664,170.80 : x
  2. Step 2: Convert to fraction form
    5,215,087.60/7,822,631.40 = 2,664,170.80/x
  3. Step 3: Cross multiply
    5,215,087.60x = 7,822,631.40 × 2,664,170.80
  4. Step 4: Simplify right side
    5,215,087.60x = 20,840,826,155,043.12
  5. Step 5: Solve for x
    x = 20,840,826,155,043.12/5,215,087.60
  6. Step 6: Final answer
    x = 3,996,256.20

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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.