Home / 6,782,067.86-10,173,197.52-1,989,856.07

Finding the Fourth Proportional to 6,782,067.86, 10,173,197.52 and 1,989,856.07

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Solution

The fourth proportional to 6,782,067.86, 10,173,197.52 and 1,989,856.07 is: 2,984,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,067.86 : 10,173,197.52 = 1,989,856.07 : x
  2. Step 2: Convert to fraction form
    6,782,067.86/10,173,197.52 = 1,989,856.07/x
  3. Step 3: Cross multiply
    6,782,067.86x = 10,173,197.52 × 1,989,856.07
  4. Step 4: Simplify right side
    6,782,067.86x = 20,243,198,836,480.95
  5. Step 5: Solve for x
    x = 20,243,198,836,480.95/6,782,067.86
  6. Step 6: Final answer
    x = 2,984,812.19

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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.