Home / 2,928,528.72-4,040,904.24-1,639,423.44

Finding the Fourth Proportional to 2,928,528.72, 4,040,904.24 and 1,639,423.44

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Solution

The fourth proportional to 2,928,528.72, 4,040,904.24 and 1,639,423.44 is: 2,262,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,528.72 : 4,040,904.24 = 1,639,423.44 : x
  2. Step 2: Convert to fraction form
    2,928,528.72/4,040,904.24 = 1,639,423.44/x
  3. Step 3: Cross multiply
    2,928,528.72x = 4,040,904.24 × 1,639,423.44
  4. Step 4: Simplify right side
    2,928,528.72x = 6,624,753,129,851.39
  5. Step 5: Solve for x
    x = 6,624,753,129,851.39/2,928,528.72
  6. Step 6: Final answer
    x = 2,262,143.81

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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.