Home / 3,947,177.81-5,447,237.16-2,418,989.69

Finding the Fourth Proportional to 3,947,177.81, 5,447,237.16 and 2,418,989.69

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Solution

The fourth proportional to 3,947,177.81, 5,447,237.16 and 2,418,989.69 is: 3,338,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,177.81 : 5,447,237.16 = 2,418,989.69 : x
  2. Step 2: Convert to fraction form
    3,947,177.81/5,447,237.16 = 2,418,989.69/x
  3. Step 3: Cross multiply
    3,947,177.81x = 5,447,237.16 × 2,418,989.69
  4. Step 4: Simplify right side
    3,947,177.81x = 13,176,810,501,788.70
  5. Step 5: Solve for x
    x = 13,176,810,501,788.70/3,947,177.81
  6. Step 6: Final answer
    x = 3,338,286.53

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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.