Home / 2,315,261.20-3,195,060.45-1,296,665.95

Finding the Fourth Proportional to 2,315,261.20, 3,195,060.45 and 1,296,665.95

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Solution

The fourth proportional to 2,315,261.20, 3,195,060.45 and 1,296,665.95 is: 1,789,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,261.20 : 3,195,060.45 = 1,296,665.95 : x
  2. Step 2: Convert to fraction form
    2,315,261.20/3,195,060.45 = 1,296,665.95/x
  3. Step 3: Cross multiply
    2,315,261.20x = 3,195,060.45 × 1,296,665.95
  4. Step 4: Simplify right side
    2,315,261.20x = 4,142,926,093,706.68
  5. Step 5: Solve for x
    x = 4,142,926,093,706.68/2,315,261.20
  6. Step 6: Final answer
    x = 1,789,399.01

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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.