Home / 5,101,821.50-7,040,520.86-2,778,723.12

Finding the Fourth Proportional to 5,101,821.50, 7,040,520.86 and 2,778,723.12

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Solution

The fourth proportional to 5,101,821.50, 7,040,520.86 and 2,778,723.12 is: 3,834,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,821.50 : 7,040,520.86 = 2,778,723.12 : x
  2. Step 2: Convert to fraction form
    5,101,821.50/7,040,520.86 = 2,778,723.12/x
  3. Step 3: Cross multiply
    5,101,821.50x = 7,040,520.86 × 2,778,723.12
  4. Step 4: Simplify right side
    5,101,821.50x = 19,563,658,090,524.29
  5. Step 5: Solve for x
    x = 19,563,658,090,524.29/5,101,821.50
  6. Step 6: Final answer
    x = 3,834,641.82

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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.