Home / 3,138,912.40-4,701,674.76-1,517,230.84

Finding the Fourth Proportional to 3,138,912.40, 4,701,674.76 and 1,517,230.84

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Solution

The fourth proportional to 3,138,912.40, 4,701,674.76 and 1,517,230.84 is: 2,272,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,912.40 : 4,701,674.76 = 1,517,230.84 : x
  2. Step 2: Convert to fraction form
    3,138,912.40/4,701,674.76 = 1,517,230.84/x
  3. Step 3: Cross multiply
    3,138,912.40x = 4,701,674.76 × 1,517,230.84
  4. Step 4: Simplify right side
    3,138,912.40x = 7,133,525,945,521.60
  5. Step 5: Solve for x
    x = 7,133,525,945,521.60/3,138,912.40
  6. Step 6: Final answer
    x = 2,272,610.71

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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.