Home / 1,925,196.70-2,887,795.05-1,327,999.90

Finding the Fourth Proportional to 1,925,196.70, 2,887,795.05 and 1,327,999.90

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Solution

The fourth proportional to 1,925,196.70, 2,887,795.05 and 1,327,999.90 is: 1,991,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,196.70 : 2,887,795.05 = 1,327,999.90 : x
  2. Step 2: Convert to fraction form
    1,925,196.70/2,887,795.05 = 1,327,999.90/x
  3. Step 3: Cross multiply
    1,925,196.70x = 2,887,795.05 × 1,327,999.90
  4. Step 4: Simplify right side
    1,925,196.70x = 3,834,991,537,620.49
  5. Step 5: Solve for x
    x = 3,834,991,537,620.49/1,925,196.70
  6. Step 6: Final answer
    x = 1,991,999.85

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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.