Home / 2,086,506.60-3,128,982.30-738,148.20

Finding the Fourth Proportional to 2,086,506.60, 3,128,982.30 and 738,148.20

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Solution

The fourth proportional to 2,086,506.60, 3,128,982.30 and 738,148.20 is: 1,106,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,506.60 : 3,128,982.30 = 738,148.20 : x
  2. Step 2: Convert to fraction form
    2,086,506.60/3,128,982.30 = 738,148.20/x
  3. Step 3: Cross multiply
    2,086,506.60x = 3,128,982.30 × 738,148.20
  4. Step 4: Simplify right side
    2,086,506.60x = 2,309,652,652,576.86
  5. Step 5: Solve for x
    x = 2,309,652,652,576.86/2,086,506.60
  6. Step 6: Final answer
    x = 1,106,947.21

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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.