Home / 1,939,550.20-2,904,841.13-1,872,289.70

Finding the Fourth Proportional to 1,939,550.20, 2,904,841.13 and 1,872,289.70

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Solution

The fourth proportional to 1,939,550.20, 2,904,841.13 and 1,872,289.70 is: 2,804,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,550.20 : 2,904,841.13 = 1,872,289.70 : x
  2. Step 2: Convert to fraction form
    1,939,550.20/2,904,841.13 = 1,872,289.70/x
  3. Step 3: Cross multiply
    1,939,550.20x = 2,904,841.13 × 1,872,289.70
  4. Step 4: Simplify right side
    1,939,550.20x = 5,438,704,117,991.88
  5. Step 5: Solve for x
    x = 5,438,704,117,991.88/1,939,550.20
  6. Step 6: Final answer
    x = 2,804,105.88

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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.