Home / 5,100,959.15-7,039,643.87-2,809,119.77

Finding the Fourth Proportional to 5,100,959.15, 7,039,643.87 and 2,809,119.77

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Solution

The fourth proportional to 5,100,959.15, 7,039,643.87 and 2,809,119.77 is: 3,876,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,959.15 : 7,039,643.87 = 2,809,119.77 : x
  2. Step 2: Convert to fraction form
    5,100,959.15/7,039,643.87 = 2,809,119.77/x
  3. Step 3: Cross multiply
    5,100,959.15x = 7,039,643.87 × 2,809,119.77
  4. Step 4: Simplify right side
    5,100,959.15x = 19,775,202,740,800.89
  5. Step 5: Solve for x
    x = 19,775,202,740,800.89/5,100,959.15
  6. Step 6: Final answer
    x = 3,876,761.64

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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.