Home / 2,838,146.08-3,919,899.74-2,067,211.57

Finding the Fourth Proportional to 2,838,146.08, 3,919,899.74 and 2,067,211.57

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Solution

The fourth proportional to 2,838,146.08, 3,919,899.74 and 2,067,211.57 is: 2,855,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,146.08 : 3,919,899.74 = 2,067,211.57 : x
  2. Step 2: Convert to fraction form
    2,838,146.08/3,919,899.74 = 2,067,211.57/x
  3. Step 3: Cross multiply
    2,838,146.08x = 3,919,899.74 × 2,067,211.57
  4. Step 4: Simplify right side
    2,838,146.08x = 8,103,262,065,832.44
  5. Step 5: Solve for x
    x = 8,103,262,065,832.44/2,838,146.08
  6. Step 6: Final answer
    x = 2,855,125.09

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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.