Home / 2,218,378.17-3,061,501.88-1,251,155.55

Finding the Fourth Proportional to 2,218,378.17, 3,061,501.88 and 1,251,155.55

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Solution

The fourth proportional to 2,218,378.17, 3,061,501.88 and 1,251,155.55 is: 1,726,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,378.17 : 3,061,501.88 = 1,251,155.55 : x
  2. Step 2: Convert to fraction form
    2,218,378.17/3,061,501.88 = 1,251,155.55/x
  3. Step 3: Cross multiply
    2,218,378.17x = 3,061,501.88 × 1,251,155.55
  4. Step 4: Simplify right side
    2,218,378.17x = 3,830,415,068,497.43
  5. Step 5: Solve for x
    x = 3,830,415,068,497.43/2,218,378.17
  6. Step 6: Final answer
    x = 1,726,673.62

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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.