Home / 3,810,808.26-5,258,779.34-2,156,919.89

Finding the Fourth Proportional to 3,810,808.26, 5,258,779.34 and 2,156,919.89

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Solution

The fourth proportional to 3,810,808.26, 5,258,779.34 and 2,156,919.89 is: 2,976,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810,808.26 : 5,258,779.34 = 2,156,919.89 : x
  2. Step 2: Convert to fraction form
    3,810,808.26/5,258,779.34 = 2,156,919.89/x
  3. Step 3: Cross multiply
    3,810,808.26x = 5,258,779.34 × 2,156,919.89
  4. Step 4: Simplify right side
    3,810,808.26x = 11,342,765,718,488.58
  5. Step 5: Solve for x
    x = 11,342,765,718,488.58/3,810,808.26
  6. Step 6: Final answer
    x = 2,976,472.43

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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.