Home / 1,681,735.82-2,320,870.89-946,942.78

Finding the Fourth Proportional to 1,681,735.82, 2,320,870.89 and 946,942.78

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Solution

The fourth proportional to 1,681,735.82, 2,320,870.89 and 946,942.78 is: 1,306,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,735.82 : 2,320,870.89 = 946,942.78 : x
  2. Step 2: Convert to fraction form
    1,681,735.82/2,320,870.89 = 946,942.78/x
  3. Step 3: Cross multiply
    1,681,735.82x = 2,320,870.89 × 946,942.78
  4. Step 4: Simplify right side
    1,681,735.82x = 2,197,731,923,360.68
  5. Step 5: Solve for x
    x = 2,197,731,923,360.68/1,681,735.82
  6. Step 6: Final answer
    x = 1,306,823.52

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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.