Home / 5,432,769.60-8,149,154.40-1,646,440.80

Finding the Fourth Proportional to 5,432,769.60, 8,149,154.40 and 1,646,440.80

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Solution

The fourth proportional to 5,432,769.60, 8,149,154.40 and 1,646,440.80 is: 2,469,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,769.60 : 8,149,154.40 = 1,646,440.80 : x
  2. Step 2: Convert to fraction form
    5,432,769.60/8,149,154.40 = 1,646,440.80/x
  3. Step 3: Cross multiply
    5,432,769.60x = 8,149,154.40 × 1,646,440.80
  4. Step 4: Simplify right side
    5,432,769.60x = 13,417,100,289,659.52
  5. Step 5: Solve for x
    x = 13,417,100,289,659.52/5,432,769.60
  6. Step 6: Final answer
    x = 2,469,661.20

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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.