Home / 1,654,203.80-2,481,305.70-1,123,362.20

Finding the Fourth Proportional to 1,654,203.80, 2,481,305.70 and 1,123,362.20

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Solution

The fourth proportional to 1,654,203.80, 2,481,305.70 and 1,123,362.20 is: 1,685,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,203.80 : 2,481,305.70 = 1,123,362.20 : x
  2. Step 2: Convert to fraction form
    1,654,203.80/2,481,305.70 = 1,123,362.20/x
  3. Step 3: Cross multiply
    1,654,203.80x = 2,481,305.70 × 1,123,362.20
  4. Step 4: Simplify right side
    1,654,203.80x = 2,787,405,030,024.54
  5. Step 5: Solve for x
    x = 2,787,405,030,024.54/1,654,203.80
  6. Step 6: Final answer
    x = 1,685,043.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.