Home / 3,828,105.75-5,281,652.66-2,278,124.87

Finding the Fourth Proportional to 3,828,105.75, 5,281,652.66 and 2,278,124.87

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Solution

The fourth proportional to 3,828,105.75, 5,281,652.66 and 2,278,124.87 is: 3,143,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,105.75 : 5,281,652.66 = 2,278,124.87 : x
  2. Step 2: Convert to fraction form
    3,828,105.75/5,281,652.66 = 2,278,124.87/x
  3. Step 3: Cross multiply
    3,828,105.75x = 5,281,652.66 × 2,278,124.87
  4. Step 4: Simplify right side
    3,828,105.75x = 12,032,264,241,648.77
  5. Step 5: Solve for x
    x = 12,032,264,241,648.77/3,828,105.75
  6. Step 6: Final answer
    x = 3,143,137.89

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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.