Home / 2,265,615.80-3,398,577.30-769,820.60

Finding the Fourth Proportional to 2,265,615.80, 3,398,577.30 and 769,820.60

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Solution

The fourth proportional to 2,265,615.80, 3,398,577.30 and 769,820.60 is: 1,154,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,615.80 : 3,398,577.30 = 769,820.60 : x
  2. Step 2: Convert to fraction form
    2,265,615.80/3,398,577.30 = 769,820.60/x
  3. Step 3: Cross multiply
    2,265,615.80x = 3,398,577.30 × 769,820.60
  4. Step 4: Simplify right side
    2,265,615.80x = 2,616,294,816,232.38
  5. Step 5: Solve for x
    x = 2,616,294,816,232.38/2,265,615.80
  6. Step 6: Final answer
    x = 1,154,783.09

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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.