Home / 2,087,891.20-3,131,836.80-1,025,009.20

Finding the Fourth Proportional to 2,087,891.20, 3,131,836.80 and 1,025,009.20

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Solution

The fourth proportional to 2,087,891.20, 3,131,836.80 and 1,025,009.20 is: 1,537,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,891.20 : 3,131,836.80 = 1,025,009.20 : x
  2. Step 2: Convert to fraction form
    2,087,891.20/3,131,836.80 = 1,025,009.20/x
  3. Step 3: Cross multiply
    2,087,891.20x = 3,131,836.80 × 1,025,009.20
  4. Step 4: Simplify right side
    2,087,891.20x = 3,210,161,532,898.56
  5. Step 5: Solve for x
    x = 3,210,161,532,898.56/2,087,891.20
  6. Step 6: Final answer
    x = 1,537,513.80

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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.