Home / 1,943,910.80-2,913,502.18-1,375,455.72

Finding the Fourth Proportional to 1,943,910.80, 2,913,502.18 and 1,375,455.72

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Solution

The fourth proportional to 1,943,910.80, 2,913,502.18 and 1,375,455.72 is: 2,061,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,910.80 : 2,913,502.18 = 1,375,455.72 : x
  2. Step 2: Convert to fraction form
    1,943,910.80/2,913,502.18 = 1,375,455.72/x
  3. Step 3: Cross multiply
    1,943,910.80x = 2,913,502.18 × 1,375,455.72
  4. Step 4: Simplify right side
    1,943,910.80x = 4,007,393,238,713.47
  5. Step 5: Solve for x
    x = 4,007,393,238,713.47/1,943,910.80
  6. Step 6: Final answer
    x = 2,061,510.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.