Home / 5,220,879.63-7,839,007.03-2,919,880.93

Finding the Fourth Proportional to 5,220,879.63, 7,839,007.03 and 2,919,880.93

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Solution

The fourth proportional to 5,220,879.63, 7,839,007.03 and 2,919,880.93 is: 4,384,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,879.63 : 7,839,007.03 = 2,919,880.93 : x
  2. Step 2: Convert to fraction form
    5,220,879.63/7,839,007.03 = 2,919,880.93/x
  3. Step 3: Cross multiply
    5,220,879.63x = 7,839,007.03 × 2,919,880.93
  4. Step 4: Simplify right side
    5,220,879.63x = 22,888,967,137,032.94
  5. Step 5: Solve for x
    x = 22,888,967,137,032.94/5,220,879.63
  6. Step 6: Final answer
    x = 4,384,120.83

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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.