Home / 3,881,763.48-5,356,763.92-2,115,677.69

Finding the Fourth Proportional to 3,881,763.48, 5,356,763.92 and 2,115,677.69

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Solution

The fourth proportional to 3,881,763.48, 5,356,763.92 and 2,115,677.69 is: 2,919,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,763.48 : 5,356,763.92 = 2,115,677.69 : x
  2. Step 2: Convert to fraction form
    3,881,763.48/5,356,763.92 = 2,115,677.69/x
  3. Step 3: Cross multiply
    3,881,763.48x = 5,356,763.92 × 2,115,677.69
  4. Step 4: Simplify right side
    3,881,763.48x = 11,333,185,897,023.69
  5. Step 5: Solve for x
    x = 11,333,185,897,023.69/3,881,763.48
  6. Step 6: Final answer
    x = 2,919,597.23

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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.