Home / 2,981,695.80-4,473,126.90-1,275,835.80

Finding the Fourth Proportional to 2,981,695.80, 4,473,126.90 and 1,275,835.80

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Solution

The fourth proportional to 2,981,695.80, 4,473,126.90 and 1,275,835.80 is: 1,914,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,695.80 : 4,473,126.90 = 1,275,835.80 : x
  2. Step 2: Convert to fraction form
    2,981,695.80/4,473,126.90 = 1,275,835.80/x
  3. Step 3: Cross multiply
    2,981,695.80x = 4,473,126.90 × 1,275,835.80
  4. Step 4: Simplify right side
    2,981,695.80x = 5,706,975,436,963.02
  5. Step 5: Solve for x
    x = 5,706,975,436,963.02/2,981,695.80
  6. Step 6: Final answer
    x = 1,914,003.25

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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.