Home / 3,851,156.40-5,780,881.80-2,171,540.40

Finding the Fourth Proportional to 3,851,156.40, 5,780,881.80 and 2,171,540.40

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Solution

The fourth proportional to 3,851,156.40, 5,780,881.80 and 2,171,540.40 is: 3,259,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,156.40 : 5,780,881.80 = 2,171,540.40 : x
  2. Step 2: Convert to fraction form
    3,851,156.40/5,780,881.80 = 2,171,540.40/x
  3. Step 3: Cross multiply
    3,851,156.40x = 5,780,881.80 × 2,171,540.40
  4. Step 4: Simplify right side
    3,851,156.40x = 12,553,418,376,324.72
  5. Step 5: Solve for x
    x = 12,553,418,376,324.72/3,851,156.40
  6. Step 6: Final answer
    x = 3,259,649.07

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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.