Home / 2,986,983.77-4,479,240.43-936,960.54

Finding the Fourth Proportional to 2,986,983.77, 4,479,240.43 and 936,960.54

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Solution

The fourth proportional to 2,986,983.77, 4,479,240.43 and 936,960.54 is: 1,405,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,983.77 : 4,479,240.43 = 936,960.54 : x
  2. Step 2: Convert to fraction form
    2,986,983.77/4,479,240.43 = 936,960.54/x
  3. Step 3: Cross multiply
    2,986,983.77x = 4,479,240.43 × 936,960.54
  4. Step 4: Simplify right side
    2,986,983.77x = 4,196,871,531,030.97
  5. Step 5: Solve for x
    x = 4,196,871,531,030.97/2,986,983.77
  6. Step 6: Final answer
    x = 1,405,053.34

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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.