Home / 2,378,143.80-3,561,310.80-1,905,751.80

Finding the Fourth Proportional to 2,378,143.80, 3,561,310.80 and 1,905,751.80

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Solution

The fourth proportional to 2,378,143.80, 3,561,310.80 and 1,905,751.80 is: 2,853,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,143.80 : 3,561,310.80 = 1,905,751.80 : x
  2. Step 2: Convert to fraction form
    2,378,143.80/3,561,310.80 = 1,905,751.80/x
  3. Step 3: Cross multiply
    2,378,143.80x = 3,561,310.80 × 1,905,751.80
  4. Step 4: Simplify right side
    2,378,143.80x = 6,786,974,467,459.44
  5. Step 5: Solve for x
    x = 6,786,974,467,459.44/2,378,143.80
  6. Step 6: Final answer
    x = 2,853,895.74

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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.