Home / 3,937,016.79-5,904,964.40-1,240,991.64

Finding the Fourth Proportional to 3,937,016.79, 5,904,964.40 and 1,240,991.64

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Solution

The fourth proportional to 3,937,016.79, 5,904,964.40 and 1,240,991.64 is: 1,861,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,016.79 : 5,904,964.40 = 1,240,991.64 : x
  2. Step 2: Convert to fraction form
    3,937,016.79/5,904,964.40 = 1,240,991.64/x
  3. Step 3: Cross multiply
    3,937,016.79x = 5,904,964.40 × 1,240,991.64
  4. Step 4: Simplify right side
    3,937,016.79x = 7,328,011,448,692.66
  5. Step 5: Solve for x
    x = 7,328,011,448,692.66/3,937,016.79
  6. Step 6: Final answer
    x = 1,861,310.69

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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.