Home / 3,109,148.64-4,663,280.04-979,177.37

Finding the Fourth Proportional to 3,109,148.64, 4,663,280.04 and 979,177.37

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Solution

The fourth proportional to 3,109,148.64, 4,663,280.04 and 979,177.37 is: 1,468,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,148.64 : 4,663,280.04 = 979,177.37 : x
  2. Step 2: Convert to fraction form
    3,109,148.64/4,663,280.04 = 979,177.37/x
  3. Step 3: Cross multiply
    3,109,148.64x = 4,663,280.04 × 979,177.37
  4. Step 4: Simplify right side
    3,109,148.64x = 4,566,178,261,824.30
  5. Step 5: Solve for x
    x = 4,566,178,261,824.30/3,109,148.64
  6. Step 6: Final answer
    x = 1,468,626.56

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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.