Home / 2,252,711.88-3,108,276.45-1,286,156.70

Finding the Fourth Proportional to 2,252,711.88, 3,108,276.45 and 1,286,156.70

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Solution

The fourth proportional to 2,252,711.88, 3,108,276.45 and 1,286,156.70 is: 1,774,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252,711.88 : 3,108,276.45 = 1,286,156.70 : x
  2. Step 2: Convert to fraction form
    2,252,711.88/3,108,276.45 = 1,286,156.70/x
  3. Step 3: Cross multiply
    2,252,711.88x = 3,108,276.45 × 1,286,156.70
  4. Step 4: Simplify right side
    2,252,711.88x = 3,997,730,581,619.72
  5. Step 5: Solve for x
    x = 3,997,730,581,619.72/2,252,711.88
  6. Step 6: Final answer
    x = 1,774,630.22

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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.