Home / 1,635,380.87-2,436,288.88-1,561,604.55

Finding the Fourth Proportional to 1,635,380.87, 2,436,288.88 and 1,561,604.55

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Solution

The fourth proportional to 1,635,380.87, 2,436,288.88 and 1,561,604.55 is: 2,326,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,380.87 : 2,436,288.88 = 1,561,604.55 : x
  2. Step 2: Convert to fraction form
    1,635,380.87/2,436,288.88 = 1,561,604.55/x
  3. Step 3: Cross multiply
    1,635,380.87x = 2,436,288.88 × 1,561,604.55
  4. Step 4: Simplify right side
    1,635,380.87x = 3,804,519,800,122.40
  5. Step 5: Solve for x
    x = 3,804,519,800,122.40/1,635,380.87
  6. Step 6: Final answer
    x = 2,326,381.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.