Home / 5,429,295.60-8,142,134.96-2,189,996.64

Finding the Fourth Proportional to 5,429,295.60, 8,142,134.96 and 2,189,996.64

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Solution

The fourth proportional to 5,429,295.60, 8,142,134.96 and 2,189,996.64 is: 3,284,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,295.60 : 8,142,134.96 = 2,189,996.64 : x
  2. Step 2: Convert to fraction form
    5,429,295.60/8,142,134.96 = 2,189,996.64/x
  3. Step 3: Cross multiply
    5,429,295.60x = 8,142,134.96 × 2,189,996.64
  4. Step 4: Simplify right side
    5,429,295.60x = 17,831,248,204,826.54
  5. Step 5: Solve for x
    x = 17,831,248,204,826.54/5,429,295.60
  6. Step 6: Final answer
    x = 3,284,265.50

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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.