Home / 3,452,488.40-5,178,732.60-1,321,475.60

Finding the Fourth Proportional to 3,452,488.40, 5,178,732.60 and 1,321,475.60

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Solution

The fourth proportional to 3,452,488.40, 5,178,732.60 and 1,321,475.60 is: 1,982,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452,488.40 : 5,178,732.60 = 1,321,475.60 : x
  2. Step 2: Convert to fraction form
    3,452,488.40/5,178,732.60 = 1,321,475.60/x
  3. Step 3: Cross multiply
    3,452,488.40x = 5,178,732.60 × 1,321,475.60
  4. Step 4: Simplify right side
    3,452,488.40x = 6,843,568,769,824.56
  5. Step 5: Solve for x
    x = 6,843,568,769,824.56/3,452,488.40
  6. Step 6: Final answer
    x = 1,982,213.40

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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.