Home / 3,961,475.76-5,939,982.72-1,265,167.20

Finding the Fourth Proportional to 3,961,475.76, 5,939,982.72 and 1,265,167.20

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Solution

The fourth proportional to 3,961,475.76, 5,939,982.72 and 1,265,167.20 is: 1,897,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961,475.76 : 5,939,982.72 = 1,265,167.20 : x
  2. Step 2: Convert to fraction form
    3,961,475.76/5,939,982.72 = 1,265,167.20/x
  3. Step 3: Cross multiply
    3,961,475.76x = 5,939,982.72 × 1,265,167.20
  4. Step 4: Simplify right side
    3,961,475.76x = 7,515,071,305,910.78
  5. Step 5: Solve for x
    x = 7,515,071,305,910.78/3,961,475.76
  6. Step 6: Final answer
    x = 1,897,038.32

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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.