Home / 3,810,805.26-5,258,775.20-2,156,916.89

Finding the Fourth Proportional to 3,810,805.26, 5,258,775.20 and 2,156,916.89

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Solution

The fourth proportional to 3,810,805.26, 5,258,775.20 and 2,156,916.89 is: 2,976,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810,805.26 : 5,258,775.20 = 2,156,916.89 : x
  2. Step 2: Convert to fraction form
    3,810,805.26/5,258,775.20 = 2,156,916.89/x
  3. Step 3: Cross multiply
    3,810,805.26x = 5,258,775.20 × 2,156,916.89
  4. Step 4: Simplify right side
    3,810,805.26x = 11,342,741,012,514.67
  5. Step 5: Solve for x
    x = 11,342,741,012,514.67/3,810,805.26
  6. Step 6: Final answer
    x = 2,976,468.29

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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.