Home / 3,830,728.92-5,286,442.03-2,111,910.95

Finding the Fourth Proportional to 3,830,728.92, 5,286,442.03 and 2,111,910.95

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Solution

The fourth proportional to 3,830,728.92, 5,286,442.03 and 2,111,910.95 is: 2,914,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,728.92 : 5,286,442.03 = 2,111,910.95 : x
  2. Step 2: Convert to fraction form
    3,830,728.92/5,286,442.03 = 2,111,910.95/x
  3. Step 3: Cross multiply
    3,830,728.92x = 5,286,442.03 × 2,111,910.95
  4. Step 4: Simplify right side
    3,830,728.92x = 11,164,494,805,735.84
  5. Step 5: Solve for x
    x = 11,164,494,805,735.84/3,830,728.92
  6. Step 6: Final answer
    x = 2,914,457.02

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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.