Home / 2,927,977.11-4,040,568.77-1,638,817.11

Finding the Fourth Proportional to 2,927,977.11, 4,040,568.77 and 1,638,817.11

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Solution

The fourth proportional to 2,927,977.11, 4,040,568.77 and 1,638,817.11 is: 2,261,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,977.11 : 4,040,568.77 = 1,638,817.11 : x
  2. Step 2: Convert to fraction form
    2,927,977.11/4,040,568.77 = 1,638,817.11/x
  3. Step 3: Cross multiply
    2,927,977.11x = 4,040,568.77 × 1,638,817.11
  4. Step 4: Simplify right side
    2,927,977.11x = 6,621,753,226,213.57
  5. Step 5: Solve for x
    x = 6,621,753,226,213.57/2,927,977.11
  6. Step 6: Final answer
    x = 2,261,545.42

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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.