Home / 3,378,724.20-5,068,044.01-819,960.34

Finding the Fourth Proportional to 3,378,724.20, 5,068,044.01 and 819,960.34

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Solution

The fourth proportional to 3,378,724.20, 5,068,044.01 and 819,960.34 is: 1,229,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,724.20 : 5,068,044.01 = 819,960.34 : x
  2. Step 2: Convert to fraction form
    3,378,724.20/5,068,044.01 = 819,960.34/x
  3. Step 3: Cross multiply
    3,378,724.20x = 5,068,044.01 × 819,960.34
  4. Step 4: Simplify right side
    3,378,724.20x = 4,155,595,089,574.56
  5. Step 5: Solve for x
    x = 4,155,595,089,574.56/3,378,724.20
  6. Step 6: Final answer
    x = 1,229,930.25

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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.