Home / 6,491,198.67-8,910,946.14-5,571,831.71

Finding the Fourth Proportional to 6,491,198.67, 8,910,946.14 and 5,571,831.71

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Solution

The fourth proportional to 6,491,198.67, 8,910,946.14 and 5,571,831.71 is: 7,648,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,198.67 : 8,910,946.14 = 5,571,831.71 : x
  2. Step 2: Convert to fraction form
    6,491,198.67/8,910,946.14 = 5,571,831.71/x
  3. Step 3: Cross multiply
    6,491,198.67x = 8,910,946.14 × 5,571,831.71
  4. Step 4: Simplify right side
    6,491,198.67x = 49,650,292,241,094.94
  5. Step 5: Solve for x
    x = 49,650,292,241,094.94/6,491,198.67
  6. Step 6: Final answer
    x = 7,648,863.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.