Home / 2,052,980.75-3,079,911.15-613,776.80

Finding the Fourth Proportional to 2,052,980.75, 3,079,911.15 and 613,776.80

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Solution

The fourth proportional to 2,052,980.75, 3,079,911.15 and 613,776.80 is: 920,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,980.75 : 3,079,911.15 = 613,776.80 : x
  2. Step 2: Convert to fraction form
    2,052,980.75/3,079,911.15 = 613,776.80/x
  3. Step 3: Cross multiply
    2,052,980.75x = 3,079,911.15 × 613,776.80
  4. Step 4: Simplify right side
    2,052,980.75x = 1,890,377,994,531.76
  5. Step 5: Solve for x
    x = 1,890,377,994,531.76/2,052,980.75
  6. Step 6: Final answer
    x = 920,796.75

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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.