Home / 2,917,664.80-4,376,109.60-868,288.61

Finding the Fourth Proportional to 2,917,664.80, 4,376,109.60 and 868,288.61

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Solution

The fourth proportional to 2,917,664.80, 4,376,109.60 and 868,288.61 is: 1,302,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,664.80 : 4,376,109.60 = 868,288.61 : x
  2. Step 2: Convert to fraction form
    2,917,664.80/4,376,109.60 = 868,288.61/x
  3. Step 3: Cross multiply
    2,917,664.80x = 4,376,109.60 × 868,288.61
  4. Step 4: Simplify right side
    2,917,664.80x = 3,799,726,105,649.96
  5. Step 5: Solve for x
    x = 3,799,726,105,649.96/2,917,664.80
  6. Step 6: Final answer
    x = 1,302,317.56

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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.