Home / 2,536,565.36-3,500,680.55-1,390,867.13

Finding the Fourth Proportional to 2,536,565.36, 3,500,680.55 and 1,390,867.13

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Solution

The fourth proportional to 2,536,565.36, 3,500,680.55 and 1,390,867.13 is: 1,919,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536,565.36 : 3,500,680.55 = 1,390,867.13 : x
  2. Step 2: Convert to fraction form
    2,536,565.36/3,500,680.55 = 1,390,867.13/x
  3. Step 3: Cross multiply
    2,536,565.36x = 3,500,680.55 × 1,390,867.13
  4. Step 4: Simplify right side
    2,536,565.36x = 4,868,981,511,422.69
  5. Step 5: Solve for x
    x = 4,868,981,511,422.69/2,536,565.36
  6. Step 6: Final answer
    x = 1,919,517.47

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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.