Home / 3,290,268.83-4,540,486.29-1,820,139.18

Finding the Fourth Proportional to 3,290,268.83, 4,540,486.29 and 1,820,139.18

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Solution

The fourth proportional to 3,290,268.83, 4,540,486.29 and 1,820,139.18 is: 2,511,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,268.83 : 4,540,486.29 = 1,820,139.18 : x
  2. Step 2: Convert to fraction form
    3,290,268.83/4,540,486.29 = 1,820,139.18/x
  3. Step 3: Cross multiply
    3,290,268.83x = 4,540,486.29 × 1,820,139.18
  4. Step 4: Simplify right side
    3,290,268.83x = 8,264,316,981,599.61
  5. Step 5: Solve for x
    x = 8,264,316,981,599.61/3,290,268.83
  6. Step 6: Final answer
    x = 2,511,745.21

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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.