Home / 2,087,427.30-3,131,432.55-889,340.10

Finding the Fourth Proportional to 2,087,427.30, 3,131,432.55 and 889,340.10

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Solution

The fourth proportional to 2,087,427.30, 3,131,432.55 and 889,340.10 is: 1,334,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,427.30 : 3,131,432.55 = 889,340.10 : x
  2. Step 2: Convert to fraction form
    2,087,427.30/3,131,432.55 = 889,340.10/x
  3. Step 3: Cross multiply
    2,087,427.30x = 3,131,432.55 × 889,340.10
  4. Step 4: Simplify right side
    2,087,427.30x = 2,784,908,537,160.26
  5. Step 5: Solve for x
    x = 2,784,908,537,160.26/2,087,427.30
  6. Step 6: Final answer
    x = 1,334,134.39

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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.