Home / 5,428,340.94-8,144,087.33-2,188,206.46

Finding the Fourth Proportional to 5,428,340.94, 8,144,087.33 and 2,188,206.46

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Solution

The fourth proportional to 5,428,340.94, 8,144,087.33 and 2,188,206.46 is: 3,282,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,340.94 : 8,144,087.33 = 2,188,206.46 : x
  2. Step 2: Convert to fraction form
    5,428,340.94/8,144,087.33 = 2,188,206.46/x
  3. Step 3: Cross multiply
    5,428,340.94x = 8,144,087.33 × 2,188,206.46
  4. Step 4: Simplify right side
    5,428,340.94x = 17,820,944,506,310.15
  5. Step 5: Solve for x
    x = 17,820,944,506,310.15/5,428,340.94
  6. Step 6: Final answer
    x = 3,282,944.96

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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.