Home / 2,123,278.60-3,182,844.30-1,899,329.80

Finding the Fourth Proportional to 2,123,278.60, 3,182,844.30 and 1,899,329.80

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Solution

The fourth proportional to 2,123,278.60, 3,182,844.30 and 1,899,329.80 is: 2,847,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,278.60 : 3,182,844.30 = 1,899,329.80 : x
  2. Step 2: Convert to fraction form
    2,123,278.60/3,182,844.30 = 1,899,329.80/x
  3. Step 3: Cross multiply
    2,123,278.60x = 3,182,844.30 × 1,899,329.80
  4. Step 4: Simplify right side
    2,123,278.60x = 6,045,271,027,750.14
  5. Step 5: Solve for x
    x = 6,045,271,027,750.14/2,123,278.60
  6. Step 6: Final answer
    x = 2,847,139.81

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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.