Home / 2,616,438.28-3,924,657.46-819,462.39

Finding the Fourth Proportional to 2,616,438.28, 3,924,657.46 and 819,462.39

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Solution

The fourth proportional to 2,616,438.28, 3,924,657.46 and 819,462.39 is: 1,229,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,438.28 : 3,924,657.46 = 819,462.39 : x
  2. Step 2: Convert to fraction form
    2,616,438.28/3,924,657.46 = 819,462.39/x
  3. Step 3: Cross multiply
    2,616,438.28x = 3,924,657.46 × 819,462.39
  4. Step 4: Simplify right side
    2,616,438.28x = 3,216,109,201,524.09
  5. Step 5: Solve for x
    x = 3,216,109,201,524.09/2,616,438.28
  6. Step 6: Final answer
    x = 1,229,193.60

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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.