Home / 5,432,765.60-8,149,148.40-1,646,436.80

Finding the Fourth Proportional to 5,432,765.60, 8,149,148.40 and 1,646,436.80

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Solution

The fourth proportional to 5,432,765.60, 8,149,148.40 and 1,646,436.80 is: 2,469,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,765.60 : 8,149,148.40 = 1,646,436.80 : x
  2. Step 2: Convert to fraction form
    5,432,765.60/8,149,148.40 = 1,646,436.80/x
  3. Step 3: Cross multiply
    5,432,765.60x = 8,149,148.40 × 1,646,436.80
  4. Step 4: Simplify right side
    5,432,765.60x = 13,417,057,814,421.12
  5. Step 5: Solve for x
    x = 13,417,057,814,421.12/5,432,765.60
  6. Step 6: Final answer
    x = 2,469,655.20

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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.