Home / 2,281,849.68-3,147,963.72-1,375,928.40

Finding the Fourth Proportional to 2,281,849.68, 3,147,963.72 and 1,375,928.40

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Solution

The fourth proportional to 2,281,849.68, 3,147,963.72 and 1,375,928.40 is: 1,898,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,849.68 : 3,147,963.72 = 1,375,928.40 : x
  2. Step 2: Convert to fraction form
    2,281,849.68/3,147,963.72 = 1,375,928.40/x
  3. Step 3: Cross multiply
    2,281,849.68x = 3,147,963.72 × 1,375,928.40
  4. Step 4: Simplify right side
    2,281,849.68x = 4,331,372,684,517.65
  5. Step 5: Solve for x
    x = 4,331,372,684,517.65/2,281,849.68
  6. Step 6: Final answer
    x = 1,898,184.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.