Home / 3,828,336.85-5,283,340.20-2,109,456.91

Finding the Fourth Proportional to 3,828,336.85, 5,283,340.20 and 2,109,456.91

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Solution

The fourth proportional to 3,828,336.85, 5,283,340.20 and 2,109,456.91 is: 2,911,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,336.85 : 5,283,340.20 = 2,109,456.91 : x
  2. Step 2: Convert to fraction form
    3,828,336.85/5,283,340.20 = 2,109,456.91/x
  3. Step 3: Cross multiply
    3,828,336.85x = 5,283,340.20 × 2,109,456.91
  4. Step 4: Simplify right side
    3,828,336.85x = 11,144,978,492,770.78
  5. Step 5: Solve for x
    x = 11,144,978,492,770.78/3,828,336.85
  6. Step 6: Final answer
    x = 2,911,180.21

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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.