Home / 5,395,217.60-8,091,530.40-3,115,812.80

Finding the Fourth Proportional to 5,395,217.60, 8,091,530.40 and 3,115,812.80

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Solution

The fourth proportional to 5,395,217.60, 8,091,530.40 and 3,115,812.80 is: 4,672,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,217.60 : 8,091,530.40 = 3,115,812.80 : x
  2. Step 2: Convert to fraction form
    5,395,217.60/8,091,530.40 = 3,115,812.80/x
  3. Step 3: Cross multiply
    5,395,217.60x = 8,091,530.40 × 3,115,812.80
  4. Step 4: Simplify right side
    5,395,217.60x = 25,211,693,991,909.12
  5. Step 5: Solve for x
    x = 25,211,693,991,909.12/5,395,217.60
  6. Step 6: Final answer
    x = 4,672,970.74

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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.