Home / 3,776,675.29-5,666,687.20-1,979,131.39

Finding the Fourth Proportional to 3,776,675.29, 5,666,687.20 and 1,979,131.39

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Solution

The fourth proportional to 3,776,675.29, 5,666,687.20 and 1,979,131.39 is: 2,969,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,675.29 : 5,666,687.20 = 1,979,131.39 : x
  2. Step 2: Convert to fraction form
    3,776,675.29/5,666,687.20 = 1,979,131.39/x
  3. Step 3: Cross multiply
    3,776,675.29x = 5,666,687.20 × 1,979,131.39
  4. Step 4: Simplify right side
    3,776,675.29x = 11,215,118,503,138.40
  5. Step 5: Solve for x
    x = 11,215,118,503,138.40/3,776,675.29
  6. Step 6: Final answer
    x = 2,969,574.47

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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.