Home / 5,428,280.46-8,140,694.97-1,784,169.84

Finding the Fourth Proportional to 5,428,280.46, 8,140,694.97 and 1,784,169.84

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Solution

The fourth proportional to 5,428,280.46, 8,140,694.97 and 1,784,169.84 is: 2,675,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,280.46 : 8,140,694.97 = 1,784,169.84 : x
  2. Step 2: Convert to fraction form
    5,428,280.46/8,140,694.97 = 1,784,169.84/x
  3. Step 3: Cross multiply
    5,428,280.46x = 8,140,694.97 × 1,784,169.84
  4. Step 4: Simplify right side
    5,428,280.46x = 14,524,382,442,113.71
  5. Step 5: Solve for x
    x = 14,524,382,442,113.71/5,428,280.46
  6. Step 6: Final answer
    x = 2,675,687.55

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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.