Home / 1,644,067.70-2,466,101.55-1,047,672.80

Finding the Fourth Proportional to 1,644,067.70, 2,466,101.55 and 1,047,672.80

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Solution

The fourth proportional to 1,644,067.70, 2,466,101.55 and 1,047,672.80 is: 1,571,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,067.70 : 2,466,101.55 = 1,047,672.80 : x
  2. Step 2: Convert to fraction form
    1,644,067.70/2,466,101.55 = 1,047,672.80/x
  3. Step 3: Cross multiply
    1,644,067.70x = 2,466,101.55 × 1,047,672.80
  4. Step 4: Simplify right side
    1,644,067.70x = 2,583,667,515,972.84
  5. Step 5: Solve for x
    x = 2,583,667,515,972.84/1,644,067.70
  6. Step 6: Final answer
    x = 1,571,509.20

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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.