Home / 3,102,942.60-4,654,413.90-859,080.60

Finding the Fourth Proportional to 3,102,942.60, 4,654,413.90 and 859,080.60

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Solution

The fourth proportional to 3,102,942.60, 4,654,413.90 and 859,080.60 is: 1,288,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,942.60 : 4,654,413.90 = 859,080.60 : x
  2. Step 2: Convert to fraction form
    3,102,942.60/4,654,413.90 = 859,080.60/x
  3. Step 3: Cross multiply
    3,102,942.60x = 4,654,413.90 × 859,080.60
  4. Step 4: Simplify right side
    3,102,942.60x = 3,998,516,685,860.34
  5. Step 5: Solve for x
    x = 3,998,516,685,860.34/3,102,942.60
  6. Step 6: Final answer
    x = 1,288,620.90

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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.