Home / 5,124,720.85-7,071,777.77-2,948,912.82

Finding the Fourth Proportional to 5,124,720.85, 7,071,777.77 and 2,948,912.82

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Solution

The fourth proportional to 5,124,720.85, 7,071,777.77 and 2,948,912.82 is: 4,069,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124,720.85 : 7,071,777.77 = 2,948,912.82 : x
  2. Step 2: Convert to fraction form
    5,124,720.85/7,071,777.77 = 2,948,912.82/x
  3. Step 3: Cross multiply
    5,124,720.85x = 7,071,777.77 × 2,948,912.82
  4. Step 4: Simplify right side
    5,124,720.85x = 20,854,056,111,399.45
  5. Step 5: Solve for x
    x = 20,854,056,111,399.45/5,124,720.85
  6. Step 6: Final answer
    x = 4,069,305.77

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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.