Home / 2,667,985.05-4,002,088.32-774,726.51

Finding the Fourth Proportional to 2,667,985.05, 4,002,088.32 and 774,726.51

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Solution

The fourth proportional to 2,667,985.05, 4,002,088.32 and 774,726.51 is: 1,162,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,985.05 : 4,002,088.32 = 774,726.51 : x
  2. Step 2: Convert to fraction form
    2,667,985.05/4,002,088.32 = 774,726.51/x
  3. Step 3: Cross multiply
    2,667,985.05x = 4,002,088.32 × 774,726.51
  4. Step 4: Simplify right side
    2,667,985.05x = 3,100,523,916,865.36
  5. Step 5: Solve for x
    x = 3,100,523,916,865.36/2,667,985.05
  6. Step 6: Final answer
    x = 1,162,121.92

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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.