Home / 1,987,063.41-2,741,991.17-1,127,623.66

Finding the Fourth Proportional to 1,987,063.41, 2,741,991.17 and 1,127,623.66

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Solution

The fourth proportional to 1,987,063.41, 2,741,991.17 and 1,127,623.66 is: 1,556,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,063.41 : 2,741,991.17 = 1,127,623.66 : x
  2. Step 2: Convert to fraction form
    1,987,063.41/2,741,991.17 = 1,127,623.66/x
  3. Step 3: Cross multiply
    1,987,063.41x = 2,741,991.17 × 1,127,623.66
  4. Step 4: Simplify right side
    1,987,063.41x = 3,091,934,116,592.45
  5. Step 5: Solve for x
    x = 3,091,934,116,592.45/1,987,063.41
  6. Step 6: Final answer
    x = 1,556,031.93

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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.