Home / 3,828,107.75-5,281,655.41-2,278,126.87

Finding the Fourth Proportional to 3,828,107.75, 5,281,655.41 and 2,278,126.87

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Solution

The fourth proportional to 3,828,107.75, 5,281,655.41 and 2,278,126.87 is: 3,143,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,107.75 : 5,281,655.41 = 2,278,126.87 : x
  2. Step 2: Convert to fraction form
    3,828,107.75/5,281,655.41 = 2,278,126.87/x
  3. Step 3: Cross multiply
    3,828,107.75x = 5,281,655.41 × 2,278,126.87
  4. Step 4: Simplify right side
    3,828,107.75x = 12,032,281,107,601.87
  5. Step 5: Solve for x
    x = 12,032,281,107,601.87/3,828,107.75
  6. Step 6: Final answer
    x = 3,143,140.66

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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.