Home / 3,609,804.12-4,981,386.93-2,158,634.85

Finding the Fourth Proportional to 3,609,804.12, 4,981,386.93 and 2,158,634.85

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Solution

The fourth proportional to 3,609,804.12, 4,981,386.93 and 2,158,634.85 is: 2,978,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,804.12 : 4,981,386.93 = 2,158,634.85 : x
  2. Step 2: Convert to fraction form
    3,609,804.12/4,981,386.93 = 2,158,634.85/x
  3. Step 3: Cross multiply
    3,609,804.12x = 4,981,386.93 × 2,158,634.85
  4. Step 4: Simplify right side
    3,609,804.12x = 10,752,995,428,432.51
  5. Step 5: Solve for x
    x = 10,752,995,428,432.51/3,609,804.12
  6. Step 6: Final answer
    x = 2,978,830.73

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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.