Home / 3,140,049.40-4,333,021.14-1,781,922.40

Finding the Fourth Proportional to 3,140,049.40, 4,333,021.14 and 1,781,922.40

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Solution

The fourth proportional to 3,140,049.40, 4,333,021.14 and 1,781,922.40 is: 2,458,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,049.40 : 4,333,021.14 = 1,781,922.40 : x
  2. Step 2: Convert to fraction form
    3,140,049.40/4,333,021.14 = 1,781,922.40/x
  3. Step 3: Cross multiply
    3,140,049.40x = 4,333,021.14 × 1,781,922.40
  4. Step 4: Simplify right side
    3,140,049.40x = 7,721,107,429,039.54
  5. Step 5: Solve for x
    x = 7,721,107,429,039.54/3,140,049.40
  6. Step 6: Final answer
    x = 2,458,912.73

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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.