Home / 5,251,142.40-7,876,713.60-3,360,019.20

Finding the Fourth Proportional to 5,251,142.40, 7,876,713.60 and 3,360,019.20

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Solution

The fourth proportional to 5,251,142.40, 7,876,713.60 and 3,360,019.20 is: 5,040,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,142.40 : 7,876,713.60 = 3,360,019.20 : x
  2. Step 2: Convert to fraction form
    5,251,142.40/7,876,713.60 = 3,360,019.20/x
  3. Step 3: Cross multiply
    5,251,142.40x = 7,876,713.60 × 3,360,019.20
  4. Step 4: Simplify right side
    5,251,142.40x = 26,465,908,928,901.12
  5. Step 5: Solve for x
    x = 26,465,908,928,901.12/5,251,142.40
  6. Step 6: Final answer
    x = 5,040,028.80

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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.