Home / 2,845,138.78-4,270,716-2,780,886.10

Finding the Fourth Proportional to 2,845,138.78, 4,270,716 and 2,780,886.10

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Solution

The fourth proportional to 2,845,138.78, 4,270,716 and 2,780,886.10 is: 4,174,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,138.78 : 4,270,716 = 2,780,886.10 : x
  2. Step 2: Convert to fraction form
    2,845,138.78/4,270,716 = 2,780,886.10/x
  3. Step 3: Cross multiply
    2,845,138.78x = 4,270,716 × 2,780,886.10
  4. Step 4: Simplify right side
    2,845,138.78x = 11,876,374,761,447.60
  5. Step 5: Solve for x
    x = 11,876,374,761,447.60/2,845,138.78
  6. Step 6: Final answer
    x = 4,174,269.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.