Home / 2,785,916.92-3,845,386.56-1,819,198.12

Finding the Fourth Proportional to 2,785,916.92, 3,845,386.56 and 1,819,198.12

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Solution

The fourth proportional to 2,785,916.92, 3,845,386.56 and 1,819,198.12 is: 2,511,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,916.92 : 3,845,386.56 = 1,819,198.12 : x
  2. Step 2: Convert to fraction form
    2,785,916.92/3,845,386.56 = 1,819,198.12/x
  3. Step 3: Cross multiply
    2,785,916.92x = 3,845,386.56 × 1,819,198.12
  4. Step 4: Simplify right side
    2,785,916.92x = 6,995,520,000,625.27
  5. Step 5: Solve for x
    x = 6,995,520,000,625.27/2,785,916.92
  6. Step 6: Final answer
    x = 2,511,029.65

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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.