Home / 3,749,215.42-5,172,452.53-2,179,086.38

Finding the Fourth Proportional to 3,749,215.42, 5,172,452.53 and 2,179,086.38

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Solution

The fourth proportional to 3,749,215.42, 5,172,452.53 and 2,179,086.38 is: 3,006,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,215.42 : 5,172,452.53 = 2,179,086.38 : x
  2. Step 2: Convert to fraction form
    3,749,215.42/5,172,452.53 = 2,179,086.38/x
  3. Step 3: Cross multiply
    3,749,215.42x = 5,172,452.53 × 2,179,086.38
  4. Step 4: Simplify right side
    3,749,215.42x = 11,271,220,828,009.56
  5. Step 5: Solve for x
    x = 11,271,220,828,009.56/3,749,215.42
  6. Step 6: Final answer
    x = 3,006,287.87

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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.