Home / 5,215,560.10-7,823,218.02-1,377,650.36

Finding the Fourth Proportional to 5,215,560.10, 7,823,218.02 and 1,377,650.36

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Solution

The fourth proportional to 5,215,560.10, 7,823,218.02 and 1,377,650.36 is: 2,066,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,560.10 : 7,823,218.02 = 1,377,650.36 : x
  2. Step 2: Convert to fraction form
    5,215,560.10/7,823,218.02 = 1,377,650.36/x
  3. Step 3: Cross multiply
    5,215,560.10x = 7,823,218.02 × 1,377,650.36
  4. Step 4: Simplify right side
    5,215,560.10x = 10,777,659,121,611.49
  5. Step 5: Solve for x
    x = 10,777,659,121,611.49/5,215,560.10
  6. Step 6: Final answer
    x = 2,066,443.28

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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.