Home / 6,391,831.74-8,820,675.24-3,491,224.58

Finding the Fourth Proportional to 6,391,831.74, 8,820,675.24 and 3,491,224.58

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Solution

The fourth proportional to 6,391,831.74, 8,820,675.24 and 3,491,224.58 is: 4,817,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,831.74 : 8,820,675.24 = 3,491,224.58 : x
  2. Step 2: Convert to fraction form
    6,391,831.74/8,820,675.24 = 3,491,224.58/x
  3. Step 3: Cross multiply
    6,391,831.74x = 8,820,675.24 × 3,491,224.58
  4. Step 4: Simplify right side
    6,391,831.74x = 30,794,958,210,085.40
  5. Step 5: Solve for x
    x = 30,794,958,210,085.40/6,391,831.74
  6. Step 6: Final answer
    x = 4,817,861.21

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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.