Home / 4,188,856.80-5,778,797.04-2,639,177.76

Finding the Fourth Proportional to 4,188,856.80, 5,778,797.04 and 2,639,177.76

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Solution

The fourth proportional to 4,188,856.80, 5,778,797.04 and 2,639,177.76 is: 3,640,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,856.80 : 5,778,797.04 = 2,639,177.76 : x
  2. Step 2: Convert to fraction form
    4,188,856.80/5,778,797.04 = 2,639,177.76/x
  3. Step 3: Cross multiply
    4,188,856.80x = 5,778,797.04 × 2,639,177.76
  4. Step 4: Simplify right side
    4,188,856.80x = 15,251,272,627,521.83
  5. Step 5: Solve for x
    x = 15,251,272,627,521.83/4,188,856.80
  6. Step 6: Final answer
    x = 3,640,915.26

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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.