Home / 2,399,406.91-3,293,556.39-2,121,384.53

Finding the Fourth Proportional to 2,399,406.91, 3,293,556.39 and 2,121,384.53

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Solution

The fourth proportional to 2,399,406.91, 3,293,556.39 and 2,121,384.53 is: 2,911,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,406.91 : 3,293,556.39 = 2,121,384.53 : x
  2. Step 2: Convert to fraction form
    2,399,406.91/3,293,556.39 = 2,121,384.53/x
  3. Step 3: Cross multiply
    2,399,406.91x = 3,293,556.39 × 2,121,384.53
  4. Step 4: Simplify right side
    2,399,406.91x = 6,986,899,582,662.54
  5. Step 5: Solve for x
    x = 6,986,899,582,662.54/2,399,406.91
  6. Step 6: Final answer
    x = 2,911,927.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.