Home / 3,909,106.38-5,394,557.46-2,143,001.54

Finding the Fourth Proportional to 3,909,106.38, 5,394,557.46 and 2,143,001.54

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Solution

The fourth proportional to 3,909,106.38, 5,394,557.46 and 2,143,001.54 is: 2,957,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,106.38 : 5,394,557.46 = 2,143,001.54 : x
  2. Step 2: Convert to fraction form
    3,909,106.38/5,394,557.46 = 2,143,001.54/x
  3. Step 3: Cross multiply
    3,909,106.38x = 5,394,557.46 × 2,143,001.54
  4. Step 4: Simplify right side
    3,909,106.38x = 11,560,544,922,783.21
  5. Step 5: Solve for x
    x = 11,560,544,922,783.21/3,909,106.38
  6. Step 6: Final answer
    x = 2,957,337.00

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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.