Home / 3,861,567.18-5,328,999.45-2,142,847.62

Finding the Fourth Proportional to 3,861,567.18, 5,328,999.45 and 2,142,847.62

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Solution

The fourth proportional to 3,861,567.18, 5,328,999.45 and 2,142,847.62 is: 2,957,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,567.18 : 5,328,999.45 = 2,142,847.62 : x
  2. Step 2: Convert to fraction form
    3,861,567.18/5,328,999.45 = 2,142,847.62/x
  3. Step 3: Cross multiply
    3,861,567.18x = 5,328,999.45 × 2,142,847.62
  4. Step 4: Simplify right side
    3,861,567.18x = 11,419,233,788,413.81
  5. Step 5: Solve for x
    x = 11,419,233,788,413.81/3,861,567.18
  6. Step 6: Final answer
    x = 2,957,150.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.