Home / 1,616,405.04-2,230,654.05-891,278.73

Finding the Fourth Proportional to 1,616,405.04, 2,230,654.05 and 891,278.73

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Solution

The fourth proportional to 1,616,405.04, 2,230,654.05 and 891,278.73 is: 1,229,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,405.04 : 2,230,654.05 = 891,278.73 : x
  2. Step 2: Convert to fraction form
    1,616,405.04/2,230,654.05 = 891,278.73/x
  3. Step 3: Cross multiply
    1,616,405.04x = 2,230,654.05 × 891,278.73
  4. Step 4: Simplify right side
    1,616,405.04x = 1,988,134,508,753.36
  5. Step 5: Solve for x
    x = 1,988,134,508,753.36/1,616,405.04
  6. Step 6: Final answer
    x = 1,229,972.97

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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.