Home / 6,320,212.92-8,721,831.74-3,419,540.15

Finding the Fourth Proportional to 6,320,212.92, 8,721,831.74 and 3,419,540.15

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Solution

The fourth proportional to 6,320,212.92, 8,721,831.74 and 3,419,540.15 is: 4,718,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,212.92 : 8,721,831.74 = 3,419,540.15 : x
  2. Step 2: Convert to fraction form
    6,320,212.92/8,721,831.74 = 3,419,540.15/x
  3. Step 3: Cross multiply
    6,320,212.92x = 8,721,831.74 × 3,419,540.15
  4. Step 4: Simplify right side
    6,320,212.92x = 29,824,653,755,767.50
  5. Step 5: Solve for x
    x = 29,824,653,755,767.50/6,320,212.92
  6. Step 6: Final answer
    x = 4,718,931.80

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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.