Home / 4,755,728.40-7,134,456.60-1,559,965.20

Finding the Fourth Proportional to 4,755,728.40, 7,134,456.60 and 1,559,965.20

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Solution

The fourth proportional to 4,755,728.40, 7,134,456.60 and 1,559,965.20 is: 2,340,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755,728.40 : 7,134,456.60 = 1,559,965.20 : x
  2. Step 2: Convert to fraction form
    4,755,728.40/7,134,456.60 = 1,559,965.20/x
  3. Step 3: Cross multiply
    4,755,728.40x = 7,134,456.60 × 1,559,965.20
  4. Step 4: Simplify right side
    4,755,728.40x = 11,129,504,016,910.32
  5. Step 5: Solve for x
    x = 11,129,504,016,910.32/4,755,728.40
  6. Step 6: Final answer
    x = 2,340,231.21

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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.