Home / 2,657,565.11-3,986,981.22-860,449.11

Finding the Fourth Proportional to 2,657,565.11, 3,986,981.22 and 860,449.11

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Solution

The fourth proportional to 2,657,565.11, 3,986,981.22 and 860,449.11 is: 1,290,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,565.11 : 3,986,981.22 = 860,449.11 : x
  2. Step 2: Convert to fraction form
    2,657,565.11/3,986,981.22 = 860,449.11/x
  3. Step 3: Cross multiply
    2,657,565.11x = 3,986,981.22 × 860,449.11
  4. Step 4: Simplify right side
    2,657,565.11x = 3,430,594,442,335.71
  5. Step 5: Solve for x
    x = 3,430,594,442,335.71/2,657,565.11
  6. Step 6: Final answer
    x = 1,290,878.80

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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.