Home / 1,856,397.97-2,561,985.89-1,040,588.65

Finding the Fourth Proportional to 1,856,397.97, 2,561,985.89 and 1,040,588.65

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Solution

The fourth proportional to 1,856,397.97, 2,561,985.89 and 1,040,588.65 is: 1,436,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,397.97 : 2,561,985.89 = 1,040,588.65 : x
  2. Step 2: Convert to fraction form
    1,856,397.97/2,561,985.89 = 1,040,588.65/x
  3. Step 3: Cross multiply
    1,856,397.97x = 2,561,985.89 × 1,040,588.65
  4. Step 4: Simplify right side
    1,856,397.97x = 2,665,973,438,594.15
  5. Step 5: Solve for x
    x = 2,665,973,438,594.15/1,856,397.97
  6. Step 6: Final answer
    x = 1,436,100.17

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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.