Home / 3,543,669.90-5,315,504.85-2,191,447.80

Finding the Fourth Proportional to 3,543,669.90, 5,315,504.85 and 2,191,447.80

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Solution

The fourth proportional to 3,543,669.90, 5,315,504.85 and 2,191,447.80 is: 3,287,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,669.90 : 5,315,504.85 = 2,191,447.80 : x
  2. Step 2: Convert to fraction form
    3,543,669.90/5,315,504.85 = 2,191,447.80/x
  3. Step 3: Cross multiply
    3,543,669.90x = 5,315,504.85 × 2,191,447.80
  4. Step 4: Simplify right side
    3,543,669.90x = 11,648,651,409,421.83
  5. Step 5: Solve for x
    x = 11,648,651,409,421.83/3,543,669.90
  6. Step 6: Final answer
    x = 3,287,171.70

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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.