Home / 3,828,648.31-5,283,570.11-2,109,830.33

Finding the Fourth Proportional to 3,828,648.31, 5,283,570.11 and 2,109,830.33

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Solution

The fourth proportional to 3,828,648.31, 5,283,570.11 and 2,109,830.33 is: 2,911,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,648.31 : 5,283,570.11 = 2,109,830.33 : x
  2. Step 2: Convert to fraction form
    3,828,648.31/5,283,570.11 = 2,109,830.33/x
  3. Step 3: Cross multiply
    3,828,648.31x = 5,283,570.11 × 2,109,830.33
  4. Step 4: Simplify right side
    3,828,648.31x = 11,147,436,471,419.21
  5. Step 5: Solve for x
    x = 11,147,436,471,419.21/3,828,648.31
  6. Step 6: Final answer
    x = 2,911,585.39

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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.