Home / 5,187,550.43-7,782,375.45-1,822,019.87

Finding the Fourth Proportional to 5,187,550.43, 7,782,375.45 and 1,822,019.87

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Solution

The fourth proportional to 5,187,550.43, 7,782,375.45 and 1,822,019.87 is: 2,733,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,550.43 : 7,782,375.45 = 1,822,019.87 : x
  2. Step 2: Convert to fraction form
    5,187,550.43/7,782,375.45 = 1,822,019.87/x
  3. Step 3: Cross multiply
    5,187,550.43x = 7,782,375.45 × 1,822,019.87
  4. Step 4: Simplify right side
    5,187,550.43x = 14,179,642,666,788.31
  5. Step 5: Solve for x
    x = 14,179,642,666,788.31/5,187,550.43
  6. Step 6: Final answer
    x = 2,733,398.52

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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.