Home / 3,086,035-4,257,744.15-1,999,139.74

Finding the Fourth Proportional to 3,086,035, 4,257,744.15 and 1,999,139.74

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Solution

The fourth proportional to 3,086,035, 4,257,744.15 and 1,999,139.74 is: 2,758,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,035 : 4,257,744.15 = 1,999,139.74 : x
  2. Step 2: Convert to fraction form
    3,086,035/4,257,744.15 = 1,999,139.74/x
  3. Step 3: Cross multiply
    3,086,035x = 4,257,744.15 × 1,999,139.74
  4. Step 4: Simplify right side
    3,086,035x = 8,511,825,533,017.52
  5. Step 5: Solve for x
    x = 8,511,825,533,017.52/3,086,035
  6. Step 6: Final answer
    x = 2,758,175.31

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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.