Home / 2,639,657.16-3,642,726.84-1,432,433.16

Finding the Fourth Proportional to 2,639,657.16, 3,642,726.84 and 1,432,433.16

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Solution

The fourth proportional to 2,639,657.16, 3,642,726.84 and 1,432,433.16 is: 1,976,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,657.16 : 3,642,726.84 = 1,432,433.16 : x
  2. Step 2: Convert to fraction form
    2,639,657.16/3,642,726.84 = 1,432,433.16/x
  3. Step 3: Cross multiply
    2,639,657.16x = 3,642,726.84 × 1,432,433.16
  4. Step 4: Simplify right side
    2,639,657.16x = 5,217,962,713,066.39
  5. Step 5: Solve for x
    x = 5,217,962,713,066.39/2,639,657.16
  6. Step 6: Final answer
    x = 1,976,757.74

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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.