Home / 3,761,512.80-5,642,269.20-3,705,525.60

Finding the Fourth Proportional to 3,761,512.80, 5,642,269.20 and 3,705,525.60

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Solution

The fourth proportional to 3,761,512.80, 5,642,269.20 and 3,705,525.60 is: 5,558,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,512.80 : 5,642,269.20 = 3,705,525.60 : x
  2. Step 2: Convert to fraction form
    3,761,512.80/5,642,269.20 = 3,705,525.60/x
  3. Step 3: Cross multiply
    3,761,512.80x = 5,642,269.20 × 3,705,525.60
  4. Step 4: Simplify right side
    3,761,512.80x = 20,907,572,962,691.52
  5. Step 5: Solve for x
    x = 20,907,572,962,691.52/3,761,512.80
  6. Step 6: Final answer
    x = 5,558,288.40

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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.