Home / 5,748,279.20-8,622,418.80-5,715,101.60

Finding the Fourth Proportional to 5,748,279.20, 8,622,418.80 and 5,715,101.60

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Solution

The fourth proportional to 5,748,279.20, 8,622,418.80 and 5,715,101.60 is: 8,572,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748,279.20 : 8,622,418.80 = 5,715,101.60 : x
  2. Step 2: Convert to fraction form
    5,748,279.20/8,622,418.80 = 5,715,101.60/x
  3. Step 3: Cross multiply
    5,748,279.20x = 8,622,418.80 × 5,715,101.60
  4. Step 4: Simplify right side
    5,748,279.20x = 49,277,999,479,750.08
  5. Step 5: Solve for x
    x = 49,277,999,479,750.08/5,748,279.20
  6. Step 6: Final answer
    x = 8,572,652.40

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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.