Home / 3,763,491.68-5,193,243.76-2,131,573.28

Finding the Fourth Proportional to 3,763,491.68, 5,193,243.76 and 2,131,573.28

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Solution

The fourth proportional to 3,763,491.68, 5,193,243.76 and 2,131,573.28 is: 2,941,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763,491.68 : 5,193,243.76 = 2,131,573.28 : x
  2. Step 2: Convert to fraction form
    3,763,491.68/5,193,243.76 = 2,131,573.28/x
  3. Step 3: Cross multiply
    3,763,491.68x = 5,193,243.76 × 2,131,573.28
  4. Step 4: Simplify right side
    3,763,491.68x = 11,069,779,635,342.73
  5. Step 5: Solve for x
    x = 11,069,779,635,342.73/3,763,491.68
  6. Step 6: Final answer
    x = 2,941,358.87

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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.