Home / 3,378,711.69-5,068,025.27-819,947.84

Finding the Fourth Proportional to 3,378,711.69, 5,068,025.27 and 819,947.84

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Solution

The fourth proportional to 3,378,711.69, 5,068,025.27 and 819,947.84 is: 1,229,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,711.69 : 5,068,025.27 = 819,947.84 : x
  2. Step 2: Convert to fraction form
    3,378,711.69/5,068,025.27 = 819,947.84/x
  3. Step 3: Cross multiply
    3,378,711.69x = 5,068,025.27 × 819,947.84
  4. Step 4: Simplify right side
    3,378,711.69x = 4,155,516,343,762.05
  5. Step 5: Solve for x
    x = 4,155,516,343,762.05/3,378,711.69
  6. Step 6: Final answer
    x = 1,229,911.49

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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.