Home / 3,878,890.69-5,352,868.96-2,248,243.90

Finding the Fourth Proportional to 3,878,890.69, 5,352,868.96 and 2,248,243.90

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Solution

The fourth proportional to 3,878,890.69, 5,352,868.96 and 2,248,243.90 is: 3,102,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,890.69 : 5,352,868.96 = 2,248,243.90 : x
  2. Step 2: Convert to fraction form
    3,878,890.69/5,352,868.96 = 2,248,243.90/x
  3. Step 3: Cross multiply
    3,878,890.69x = 5,352,868.96 × 2,248,243.90
  4. Step 4: Simplify right side
    3,878,890.69x = 12,034,554,986,819.34
  5. Step 5: Solve for x
    x = 12,034,554,986,819.34/3,878,890.69
  6. Step 6: Final answer
    x = 3,102,576.47

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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.