Home / 2,862,805.88-3,950,680.31-1,639,130.17

Finding the Fourth Proportional to 2,862,805.88, 3,950,680.31 and 1,639,130.17

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Solution

The fourth proportional to 2,862,805.88, 3,950,680.31 and 1,639,130.17 is: 2,262,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,805.88 : 3,950,680.31 = 1,639,130.17 : x
  2. Step 2: Convert to fraction form
    2,862,805.88/3,950,680.31 = 1,639,130.17/x
  3. Step 3: Cross multiply
    2,862,805.88x = 3,950,680.31 × 1,639,130.17
  4. Step 4: Simplify right side
    2,862,805.88x = 6,475,679,288,145.95
  5. Step 5: Solve for x
    x = 6,475,679,288,145.95/2,862,805.88
  6. Step 6: Final answer
    x = 2,262,004.33

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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.