Home / 3,691,324.85-5,536,987.28-3,186,455.90

Finding the Fourth Proportional to 3,691,324.85, 5,536,987.28 and 3,186,455.90

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Solution

The fourth proportional to 3,691,324.85, 5,536,987.28 and 3,186,455.90 is: 4,779,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691,324.85 : 5,536,987.28 = 3,186,455.90 : x
  2. Step 2: Convert to fraction form
    3,691,324.85/5,536,987.28 = 3,186,455.90/x
  3. Step 3: Cross multiply
    3,691,324.85x = 5,536,987.28 × 3,186,455.90
  4. Step 4: Simplify right side
    3,691,324.85x = 17,643,365,770,648.67
  5. Step 5: Solve for x
    x = 17,643,365,770,648.67/3,691,324.85
  6. Step 6: Final answer
    x = 4,779,683.85

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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.