Home / 3,072,745.68-4,238,687.50-2,156,342.44

Finding the Fourth Proportional to 3,072,745.68, 4,238,687.50 and 2,156,342.44

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Solution

The fourth proportional to 3,072,745.68, 4,238,687.50 and 2,156,342.44 is: 2,974,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,745.68 : 4,238,687.50 = 2,156,342.44 : x
  2. Step 2: Convert to fraction form
    3,072,745.68/4,238,687.50 = 2,156,342.44/x
  3. Step 3: Cross multiply
    3,072,745.68x = 4,238,687.50 × 2,156,342.44
  4. Step 4: Simplify right side
    3,072,745.68x = 9,140,061,746,147.50
  5. Step 5: Solve for x
    x = 9,140,061,746,147.50/3,072,745.68
  6. Step 6: Final answer
    x = 2,974,558.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.