Home / 2,731,738.80-4,100,086.80-1,384,838.40

Finding the Fourth Proportional to 2,731,738.80, 4,100,086.80 and 1,384,838.40

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Solution

The fourth proportional to 2,731,738.80, 4,100,086.80 and 1,384,838.40 is: 2,078,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,738.80 : 4,100,086.80 = 1,384,838.40 : x
  2. Step 2: Convert to fraction form
    2,731,738.80/4,100,086.80 = 1,384,838.40/x
  3. Step 3: Cross multiply
    2,731,738.80x = 4,100,086.80 × 1,384,838.40
  4. Step 4: Simplify right side
    2,731,738.80x = 5,677,957,643,973.12
  5. Step 5: Solve for x
    x = 5,677,957,643,973.12/2,731,738.80
  6. Step 6: Final answer
    x = 2,078,514.11

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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.