Home / 2,406,990.40-3,609,610.80-809,605.60

Finding the Fourth Proportional to 2,406,990.40, 3,609,610.80 and 809,605.60

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Solution

The fourth proportional to 2,406,990.40, 3,609,610.80 and 809,605.60 is: 1,214,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,990.40 : 3,609,610.80 = 809,605.60 : x
  2. Step 2: Convert to fraction form
    2,406,990.40/3,609,610.80 = 809,605.60/x
  3. Step 3: Cross multiply
    2,406,990.40x = 3,609,610.80 × 809,605.60
  4. Step 4: Simplify right side
    2,406,990.40x = 2,922,361,117,500.48
  5. Step 5: Solve for x
    x = 2,922,361,117,500.48/2,406,990.40
  6. Step 6: Final answer
    x = 1,214,114.16

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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.