Home / 3,101,909.10-4,652,865.30-972,159.12

Finding the Fourth Proportional to 3,101,909.10, 4,652,865.30 and 972,159.12

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Solution

The fourth proportional to 3,101,909.10, 4,652,865.30 and 972,159.12 is: 1,458,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,909.10 : 4,652,865.30 = 972,159.12 : x
  2. Step 2: Convert to fraction form
    3,101,909.10/4,652,865.30 = 972,159.12/x
  3. Step 3: Cross multiply
    3,101,909.10x = 4,652,865.30 × 972,159.12
  4. Step 4: Simplify right side
    3,101,909.10x = 4,523,325,435,526.54
  5. Step 5: Solve for x
    x = 4,523,325,435,526.54/3,101,909.10
  6. Step 6: Final answer
    x = 1,458,239.20

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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.