Home / 3,896,489.15-5,377,321.08-2,177,609.61

Finding the Fourth Proportional to 3,896,489.15, 5,377,321.08 and 2,177,609.61

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Solution

The fourth proportional to 3,896,489.15, 5,377,321.08 and 2,177,609.61 is: 3,005,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,489.15 : 5,377,321.08 = 2,177,609.61 : x
  2. Step 2: Convert to fraction form
    3,896,489.15/5,377,321.08 = 2,177,609.61/x
  3. Step 3: Cross multiply
    3,896,489.15x = 5,377,321.08 × 2,177,609.61
  4. Step 4: Simplify right side
    3,896,489.15x = 11,709,706,065,307.60
  5. Step 5: Solve for x
    x = 11,709,706,065,307.60/3,896,489.15
  6. Step 6: Final answer
    x = 3,005,194.07

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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.