Home / 3,851,831.88-5,315,462.64-2,132,915.76

Finding the Fourth Proportional to 3,851,831.88, 5,315,462.64 and 2,132,915.76

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Solution

The fourth proportional to 3,851,831.88, 5,315,462.64 and 2,132,915.76 is: 2,943,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,831.88 : 5,315,462.64 = 2,132,915.76 : x
  2. Step 2: Convert to fraction form
    3,851,831.88/5,315,462.64 = 2,132,915.76/x
  3. Step 3: Cross multiply
    3,851,831.88x = 5,315,462.64 × 2,132,915.76
  4. Step 4: Simplify right side
    3,851,831.88x = 11,337,434,036,547.21
  5. Step 5: Solve for x
    x = 11,337,434,036,547.21/3,851,831.88
  6. Step 6: Final answer
    x = 2,943,387.56

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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.