Home / 2,263,189.61-3,123,142.62-1,345,420.53

Finding the Fourth Proportional to 2,263,189.61, 3,123,142.62 and 1,345,420.53

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Solution

The fourth proportional to 2,263,189.61, 3,123,142.62 and 1,345,420.53 is: 1,856,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263,189.61 : 3,123,142.62 = 1,345,420.53 : x
  2. Step 2: Convert to fraction form
    2,263,189.61/3,123,142.62 = 1,345,420.53/x
  3. Step 3: Cross multiply
    2,263,189.61x = 3,123,142.62 × 1,345,420.53
  4. Step 4: Simplify right side
    2,263,189.61x = 4,201,940,194,020.66
  5. Step 5: Solve for x
    x = 4,201,940,194,020.66/2,263,189.61
  6. Step 6: Final answer
    x = 1,856,645.23

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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.