Home / 3,828,458.57-5,283,385.52-2,109,689.80

Finding the Fourth Proportional to 3,828,458.57, 5,283,385.52 and 2,109,689.80

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Solution

The fourth proportional to 3,828,458.57, 5,283,385.52 and 2,109,689.80 is: 2,911,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,458.57 : 5,283,385.52 = 2,109,689.80 : x
  2. Step 2: Convert to fraction form
    3,828,458.57/5,283,385.52 = 2,109,689.80/x
  3. Step 3: Cross multiply
    3,828,458.57x = 5,283,385.52 × 2,109,689.80
  4. Step 4: Simplify right side
    3,828,458.57x = 11,146,304,541,011.69
  5. Step 5: Solve for x
    x = 11,146,304,541,011.69/3,828,458.57
  6. Step 6: Final answer
    x = 2,911,434.02

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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.