Home / 3,501,076.80-5,251,538.40-976,660.80

Finding the Fourth Proportional to 3,501,076.80, 5,251,538.40 and 976,660.80

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Solution

The fourth proportional to 3,501,076.80, 5,251,538.40 and 976,660.80 is: 1,464,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501,076.80 : 5,251,538.40 = 976,660.80 : x
  2. Step 2: Convert to fraction form
    3,501,076.80/5,251,538.40 = 976,660.80/x
  3. Step 3: Cross multiply
    3,501,076.80x = 5,251,538.40 × 976,660.80
  4. Step 4: Simplify right side
    3,501,076.80x = 5,128,971,694,974.72
  5. Step 5: Solve for x
    x = 5,128,971,694,974.72/3,501,076.80
  6. Step 6: Final answer
    x = 1,464,969.78

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1.5x scale

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.