Home / 2,639,700.90-3,642,787.28-1,432,476.90

Finding the Fourth Proportional to 2,639,700.90, 3,642,787.28 and 1,432,476.90

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Solution

The fourth proportional to 2,639,700.90, 3,642,787.28 and 1,432,476.90 is: 1,976,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,700.90 : 3,642,787.28 = 1,432,476.90 : x
  2. Step 2: Convert to fraction form
    2,639,700.90/3,642,787.28 = 1,432,476.90/x
  3. Step 3: Cross multiply
    2,639,700.90x = 3,642,787.28 × 1,432,476.90
  4. Step 4: Simplify right side
    2,639,700.90x = 5,218,208,642,083.69
  5. Step 5: Solve for x
    x = 5,218,208,642,083.69/2,639,700.90
  6. Step 6: Final answer
    x = 1,976,818.14

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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.