Home / 3,999,005.20-5,993,842.20-1,601,664.40

Finding the Fourth Proportional to 3,999,005.20, 5,993,842.20 and 1,601,664.40

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Solution

The fourth proportional to 3,999,005.20, 5,993,842.20 and 1,601,664.40 is: 2,400,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,005.20 : 5,993,842.20 = 1,601,664.40 : x
  2. Step 2: Convert to fraction form
    3,999,005.20/5,993,842.20 = 1,601,664.40/x
  3. Step 3: Cross multiply
    3,999,005.20x = 5,993,842.20 × 1,601,664.40
  4. Step 4: Simplify right side
    3,999,005.20x = 9,600,123,670,957.68
  5. Step 5: Solve for x
    x = 9,600,123,670,957.68/3,999,005.20
  6. Step 6: Final answer
    x = 2,400,627.95

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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.