Home / 2,815,295.13-4,223,274.84-2,109,807.20

Finding the Fourth Proportional to 2,815,295.13, 4,223,274.84 and 2,109,807.20

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Solution

The fourth proportional to 2,815,295.13, 4,223,274.84 and 2,109,807.20 is: 3,164,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,295.13 : 4,223,274.84 = 2,109,807.20 : x
  2. Step 2: Convert to fraction form
    2,815,295.13/4,223,274.84 = 2,109,807.20/x
  3. Step 3: Cross multiply
    2,815,295.13x = 4,223,274.84 × 2,109,807.20
  4. Step 4: Simplify right side
    2,815,295.13x = 8,910,295,665,010.85
  5. Step 5: Solve for x
    x = 8,910,295,665,010.85/2,815,295.13
  6. Step 6: Final answer
    x = 3,164,959.71

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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.