Home / 5,215,221.60-7,822,832.40-2,380,869.60

Finding the Fourth Proportional to 5,215,221.60, 7,822,832.40 and 2,380,869.60

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Solution

The fourth proportional to 5,215,221.60, 7,822,832.40 and 2,380,869.60 is: 3,571,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,221.60 : 7,822,832.40 = 2,380,869.60 : x
  2. Step 2: Convert to fraction form
    5,215,221.60/7,822,832.40 = 2,380,869.60/x
  3. Step 3: Cross multiply
    5,215,221.60x = 7,822,832.40 × 2,380,869.60
  4. Step 4: Simplify right side
    5,215,221.60x = 18,625,143,847,055.04
  5. Step 5: Solve for x
    x = 18,625,143,847,055.04/5,215,221.60
  6. Step 6: Final answer
    x = 3,571,304.40

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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.