Home / 3,378,721.20-5,068,039.51-819,957.34

Finding the Fourth Proportional to 3,378,721.20, 5,068,039.51 and 819,957.34

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Solution

The fourth proportional to 3,378,721.20, 5,068,039.51 and 819,957.34 is: 1,229,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,721.20 : 5,068,039.51 = 819,957.34 : x
  2. Step 2: Convert to fraction form
    3,378,721.20/5,068,039.51 = 819,957.34/x
  3. Step 3: Cross multiply
    3,378,721.20x = 5,068,039.51 × 819,957.34
  4. Step 4: Simplify right side
    3,378,721.20x = 4,155,576,195,634.50
  5. Step 5: Solve for x
    x = 4,155,576,195,634.50/3,378,721.20
  6. Step 6: Final answer
    x = 1,229,925.75

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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.