Home / 2,616,440.28-3,924,660.46-819,464.40

Finding the Fourth Proportional to 2,616,440.28, 3,924,660.46 and 819,464.40

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Solution

The fourth proportional to 2,616,440.28, 3,924,660.46 and 819,464.40 is: 1,229,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,440.28 : 3,924,660.46 = 819,464.40 : x
  2. Step 2: Convert to fraction form
    2,616,440.28/3,924,660.46 = 819,464.40/x
  3. Step 3: Cross multiply
    2,616,440.28x = 3,924,660.46 × 819,464.40
  4. Step 4: Simplify right side
    2,616,440.28x = 3,216,119,529,057.62
  5. Step 5: Solve for x
    x = 3,216,119,529,057.62/2,616,440.28
  6. Step 6: Final answer
    x = 1,229,196.61

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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.