Home / 2,989,671.78-4,125,745.92-1,631,544.78

Finding the Fourth Proportional to 2,989,671.78, 4,125,745.92 and 1,631,544.78

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Solution

The fourth proportional to 2,989,671.78, 4,125,745.92 and 1,631,544.78 is: 2,251,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,671.78 : 4,125,745.92 = 1,631,544.78 : x
  2. Step 2: Convert to fraction form
    2,989,671.78/4,125,745.92 = 1,631,544.78/x
  3. Step 3: Cross multiply
    2,989,671.78x = 4,125,745.92 × 1,631,544.78
  4. Step 4: Simplify right side
    2,989,671.78x = 6,731,339,219,382.30
  5. Step 5: Solve for x
    x = 6,731,339,219,382.30/2,989,671.78
  6. Step 6: Final answer
    x = 2,251,531.18

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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.