Home / 3,396,472.80-4,686,963.12-1,868,540.64

Finding the Fourth Proportional to 3,396,472.80, 4,686,963.12 and 1,868,540.64

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Solution

The fourth proportional to 3,396,472.80, 4,686,963.12 and 1,868,540.64 is: 2,578,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396,472.80 : 4,686,963.12 = 1,868,540.64 : x
  2. Step 2: Convert to fraction form
    3,396,472.80/4,686,963.12 = 1,868,540.64/x
  3. Step 3: Cross multiply
    3,396,472.80x = 4,686,963.12 × 1,868,540.64
  4. Step 4: Simplify right side
    3,396,472.80x = 8,757,781,067,901.20
  5. Step 5: Solve for x
    x = 8,757,781,067,901.20/3,396,472.80
  6. Step 6: Final answer
    x = 2,578,492.92

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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.