Home / 3,619,223.67-4,996,467.72-2,790,487.20

Finding the Fourth Proportional to 3,619,223.67, 4,996,467.72 and 2,790,487.20

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Solution

The fourth proportional to 3,619,223.67, 4,996,467.72 and 2,790,487.20 is: 3,852,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,223.67 : 4,996,467.72 = 2,790,487.20 : x
  2. Step 2: Convert to fraction form
    3,619,223.67/4,996,467.72 = 2,790,487.20/x
  3. Step 3: Cross multiply
    3,619,223.67x = 4,996,467.72 × 2,790,487.20
  4. Step 4: Simplify right side
    3,619,223.67x = 13,942,579,217,873.18
  5. Step 5: Solve for x
    x = 13,942,579,217,873.18/3,619,223.67
  6. Step 6: Final answer
    x = 3,852,367.38

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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.