Home / 1,655,769.40-2,483,654.10-1,557,791.80

Finding the Fourth Proportional to 1,655,769.40, 2,483,654.10 and 1,557,791.80

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Solution

The fourth proportional to 1,655,769.40, 2,483,654.10 and 1,557,791.80 is: 2,336,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,769.40 : 2,483,654.10 = 1,557,791.80 : x
  2. Step 2: Convert to fraction form
    1,655,769.40/2,483,654.10 = 1,557,791.80/x
  3. Step 3: Cross multiply
    1,655,769.40x = 2,483,654.10 × 1,557,791.80
  4. Step 4: Simplify right side
    1,655,769.40x = 3,869,015,991,016.38
  5. Step 5: Solve for x
    x = 3,869,015,991,016.38/1,655,769.40
  6. Step 6: Final answer
    x = 2,336,687.70

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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.