Home / 5,079,414.24-7,009,728.12-2,787,656.40

Finding the Fourth Proportional to 5,079,414.24, 7,009,728.12 and 2,787,656.40

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Solution

The fourth proportional to 5,079,414.24, 7,009,728.12 and 2,787,656.40 is: 3,847,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,414.24 : 7,009,728.12 = 2,787,656.40 : x
  2. Step 2: Convert to fraction form
    5,079,414.24/7,009,728.12 = 2,787,656.40/x
  3. Step 3: Cross multiply
    5,079,414.24x = 7,009,728.12 × 2,787,656.40
  4. Step 4: Simplify right side
    5,079,414.24x = 19,540,713,455,977.97
  5. Step 5: Solve for x
    x = 19,540,713,455,977.97/5,079,414.24
  6. Step 6: Final answer
    x = 3,847,040.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.