Home / 5,105,788.57-7,045,866.87-2,782,754.47

Finding the Fourth Proportional to 5,105,788.57, 7,045,866.87 and 2,782,754.47

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Solution

The fourth proportional to 5,105,788.57, 7,045,866.87 and 2,782,754.47 is: 3,840,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,788.57 : 7,045,866.87 = 2,782,754.47 : x
  2. Step 2: Convert to fraction form
    5,105,788.57/7,045,866.87 = 2,782,754.47/x
  3. Step 3: Cross multiply
    5,105,788.57x = 7,045,866.87 × 2,782,754.47
  4. Step 4: Simplify right side
    5,105,788.57x = 19,606,917,527,517.41
  5. Step 5: Solve for x
    x = 19,606,917,527,517.41/5,105,788.57
  6. Step 6: Final answer
    x = 3,840,135.03

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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.