Home / 3,414,111.68-4,711,418.39-1,865,340.03

Finding the Fourth Proportional to 3,414,111.68, 4,711,418.39 and 1,865,340.03

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Solution

The fourth proportional to 3,414,111.68, 4,711,418.39 and 1,865,340.03 is: 2,574,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414,111.68 : 4,711,418.39 = 1,865,340.03 : x
  2. Step 2: Convert to fraction form
    3,414,111.68/4,711,418.39 = 1,865,340.03/x
  3. Step 3: Cross multiply
    3,414,111.68x = 4,711,418.39 × 1,865,340.03
  4. Step 4: Simplify right side
    3,414,111.68x = 8,788,397,311,618.45
  5. Step 5: Solve for x
    x = 8,788,397,311,618.45/3,414,111.68
  6. Step 6: Final answer
    x = 2,574,138.79

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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.