Home / 3,828,106.50-5,281,653.69-2,278,125.62

Finding the Fourth Proportional to 3,828,106.50, 5,281,653.69 and 2,278,125.62

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Solution

The fourth proportional to 3,828,106.50, 5,281,653.69 and 2,278,125.62 is: 3,143,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,106.50 : 5,281,653.69 = 2,278,125.62 : x
  2. Step 2: Convert to fraction form
    3,828,106.50/5,281,653.69 = 2,278,125.62/x
  3. Step 3: Cross multiply
    3,828,106.50x = 5,281,653.69 × 2,278,125.62
  4. Step 4: Simplify right side
    3,828,106.50x = 12,032,270,560,748.27
  5. Step 5: Solve for x
    x = 12,032,270,560,748.27/3,828,106.50
  6. Step 6: Final answer
    x = 3,143,138.93

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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.