Home / 3,828,106.75-5,281,654.03-2,278,125.87

Finding the Fourth Proportional to 3,828,106.75, 5,281,654.03 and 2,278,125.87

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Solution

The fourth proportional to 3,828,106.75, 5,281,654.03 and 2,278,125.87 is: 3,143,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,106.75 : 5,281,654.03 = 2,278,125.87 : x
  2. Step 2: Convert to fraction form
    3,828,106.75/5,281,654.03 = 2,278,125.87/x
  3. Step 3: Cross multiply
    3,828,106.75x = 5,281,654.03 × 2,278,125.87
  4. Step 4: Simplify right side
    3,828,106.75x = 12,032,272,682,132.76
  5. Step 5: Solve for x
    x = 12,032,272,682,132.76/3,828,106.75
  6. Step 6: Final answer
    x = 3,143,139.28

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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.