Home / 2,095,387.20-3,138,415.20-1,815,451.20

Finding the Fourth Proportional to 2,095,387.20, 3,138,415.20 and 1,815,451.20

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Solution

The fourth proportional to 2,095,387.20, 3,138,415.20 and 1,815,451.20 is: 2,719,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095,387.20 : 3,138,415.20 = 1,815,451.20 : x
  2. Step 2: Convert to fraction form
    2,095,387.20/3,138,415.20 = 1,815,451.20/x
  3. Step 3: Cross multiply
    2,095,387.20x = 3,138,415.20 × 1,815,451.20
  4. Step 4: Simplify right side
    2,095,387.20x = 5,697,639,640,938.24
  5. Step 5: Solve for x
    x = 5,697,639,640,938.24/2,095,387.20
  6. Step 6: Final answer
    x = 2,719,134.51

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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.