Home / 2,279,609.48-3,419,413.53-859,333.40

Finding the Fourth Proportional to 2,279,609.48, 3,419,413.53 and 859,333.40

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Solution

The fourth proportional to 2,279,609.48, 3,419,413.53 and 859,333.40 is: 1,288,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,609.48 : 3,419,413.53 = 859,333.40 : x
  2. Step 2: Convert to fraction form
    2,279,609.48/3,419,413.53 = 859,333.40/x
  3. Step 3: Cross multiply
    2,279,609.48x = 3,419,413.53 × 859,333.40
  4. Step 4: Simplify right side
    2,279,609.48x = 2,938,416,271,312.09
  5. Step 5: Solve for x
    x = 2,938,416,271,312.09/2,279,609.48
  6. Step 6: Final answer
    x = 1,288,999.85

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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.