Home / 2,077,824.80-3,116,737.20-815,002.40

Finding the Fourth Proportional to 2,077,824.80, 3,116,737.20 and 815,002.40

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Solution

The fourth proportional to 2,077,824.80, 3,116,737.20 and 815,002.40 is: 1,222,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,824.80 : 3,116,737.20 = 815,002.40 : x
  2. Step 2: Convert to fraction form
    2,077,824.80/3,116,737.20 = 815,002.40/x
  3. Step 3: Cross multiply
    2,077,824.80x = 3,116,737.20 × 815,002.40
  4. Step 4: Simplify right side
    2,077,824.80x = 2,540,148,298,169.28
  5. Step 5: Solve for x
    x = 2,540,148,298,169.28/2,077,824.80
  6. Step 6: Final answer
    x = 1,222,503.60

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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.