Home / 5,177,534.38-7,767,422.64-1,982,660.69

Finding the Fourth Proportional to 5,177,534.38, 7,767,422.64 and 1,982,660.69

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Solution

The fourth proportional to 5,177,534.38, 7,767,422.64 and 1,982,660.69 is: 2,974,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,534.38 : 7,767,422.64 = 1,982,660.69 : x
  2. Step 2: Convert to fraction form
    5,177,534.38/7,767,422.64 = 1,982,660.69/x
  3. Step 3: Cross multiply
    5,177,534.38x = 7,767,422.64 × 1,982,660.69
  4. Step 4: Simplify right side
    5,177,534.38x = 15,400,163,550,362.58
  5. Step 5: Solve for x
    x = 15,400,163,550,362.58/5,177,534.38
  6. Step 6: Final answer
    x = 2,974,420.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.