Home / 1,986,881.52-2,741,820.30-1,127,390.52

Finding the Fourth Proportional to 1,986,881.52, 2,741,820.30 and 1,127,390.52

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Solution

The fourth proportional to 1,986,881.52, 2,741,820.30 and 1,127,390.52 is: 1,555,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,881.52 : 2,741,820.30 = 1,127,390.52 : x
  2. Step 2: Convert to fraction form
    1,986,881.52/2,741,820.30 = 1,127,390.52/x
  3. Step 3: Cross multiply
    1,986,881.52x = 2,741,820.30 × 1,127,390.52
  4. Step 4: Simplify right side
    1,986,881.52x = 3,091,102,213,763.56
  5. Step 5: Solve for x
    x = 3,091,102,213,763.56/1,986,881.52
  6. Step 6: Final answer
    x = 1,555,755.68

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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.