Home / 3,851,530.91-5,315,047.70-2,132,614.52

Finding the Fourth Proportional to 3,851,530.91, 5,315,047.70 and 2,132,614.52

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Solution

The fourth proportional to 3,851,530.91, 5,315,047.70 and 2,132,614.52 is: 2,942,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,530.91 : 5,315,047.70 = 2,132,614.52 : x
  2. Step 2: Convert to fraction form
    3,851,530.91/5,315,047.70 = 2,132,614.52/x
  3. Step 3: Cross multiply
    3,851,530.91x = 5,315,047.70 × 2,132,614.52
  4. Step 4: Simplify right side
    3,851,530.91x = 11,334,947,862,274.29
  5. Step 5: Solve for x
    x = 11,334,947,862,274.29/3,851,530.91
  6. Step 6: Final answer
    x = 2,942,972.07

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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.