Home / 2,085,554.32-3,129,514.89-1,125,997.13

Finding the Fourth Proportional to 2,085,554.32, 3,129,514.89 and 1,125,997.13

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Solution

The fourth proportional to 2,085,554.32, 3,129,514.89 and 1,125,997.13 is: 1,689,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,554.32 : 3,129,514.89 = 1,125,997.13 : x
  2. Step 2: Convert to fraction form
    2,085,554.32/3,129,514.89 = 1,125,997.13/x
  3. Step 3: Cross multiply
    2,085,554.32x = 3,129,514.89 × 1,125,997.13
  4. Step 4: Simplify right side
    2,085,554.32x = 3,523,824,788,033.56
  5. Step 5: Solve for x
    x = 3,523,824,788,033.56/2,085,554.32
  6. Step 6: Final answer
    x = 1,689,634.63

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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.