Home / 3,878,083.28-5,339,885.64-3,866,885.84

Finding the Fourth Proportional to 3,878,083.28, 5,339,885.64 and 3,866,885.84

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Solution

The fourth proportional to 3,878,083.28, 5,339,885.64 and 3,866,885.84 is: 5,324,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,083.28 : 5,339,885.64 = 3,866,885.84 : x
  2. Step 2: Convert to fraction form
    3,878,083.28/5,339,885.64 = 3,866,885.84/x
  3. Step 3: Cross multiply
    3,878,083.28x = 5,339,885.64 × 3,866,885.84
  4. Step 4: Simplify right side
    3,878,083.28x = 20,648,728,168,535.34
  5. Step 5: Solve for x
    x = 20,648,728,168,535.34/3,878,083.28
  6. Step 6: Final answer
    x = 5,324,467.44

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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.