Home / 4,990,942.76-7,487,740.44-1,579,289.96

Finding the Fourth Proportional to 4,990,942.76, 7,487,740.44 and 1,579,289.96

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Solution

The fourth proportional to 4,990,942.76, 7,487,740.44 and 1,579,289.96 is: 2,369,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,942.76 : 7,487,740.44 = 1,579,289.96 : x
  2. Step 2: Convert to fraction form
    4,990,942.76/7,487,740.44 = 1,579,289.96/x
  3. Step 3: Cross multiply
    4,990,942.76x = 7,487,740.44 × 1,579,289.96
  4. Step 4: Simplify right side
    4,990,942.76x = 11,825,313,299,977.98
  5. Step 5: Solve for x
    x = 11,825,313,299,977.98/4,990,942.76
  6. Step 6: Final answer
    x = 2,369,354.62

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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.