Home / 5,659,358.40-8,489,037.60-1,872,349.20

Finding the Fourth Proportional to 5,659,358.40, 8,489,037.60 and 1,872,349.20

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Solution

The fourth proportional to 5,659,358.40, 8,489,037.60 and 1,872,349.20 is: 2,808,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659,358.40 : 8,489,037.60 = 1,872,349.20 : x
  2. Step 2: Convert to fraction form
    5,659,358.40/8,489,037.60 = 1,872,349.20/x
  3. Step 3: Cross multiply
    5,659,358.40x = 8,489,037.60 × 1,872,349.20
  4. Step 4: Simplify right side
    5,659,358.40x = 15,894,442,759,129.92
  5. Step 5: Solve for x
    x = 15,894,442,759,129.92/5,659,358.40
  6. Step 6: Final answer
    x = 2,808,523.80

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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.