Home / 3,188,509.92-4,782,758.40-1,294,807.68

Finding the Fourth Proportional to 3,188,509.92, 4,782,758.40 and 1,294,807.68

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Solution

The fourth proportional to 3,188,509.92, 4,782,758.40 and 1,294,807.68 is: 1,942,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,509.92 : 4,782,758.40 = 1,294,807.68 : x
  2. Step 2: Convert to fraction form
    3,188,509.92/4,782,758.40 = 1,294,807.68/x
  3. Step 3: Cross multiply
    3,188,509.92x = 4,782,758.40 × 1,294,807.68
  4. Step 4: Simplify right side
    3,188,509.92x = 6,192,752,307,904.51
  5. Step 5: Solve for x
    x = 6,192,752,307,904.51/3,188,509.92
  6. Step 6: Final answer
    x = 1,942,208.89

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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.