Home / 2,672,539.85-3,688,105.97-1,448,845.11

Finding the Fourth Proportional to 2,672,539.85, 3,688,105.97 and 1,448,845.11

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Solution

The fourth proportional to 2,672,539.85, 3,688,105.97 and 1,448,845.11 is: 1,999,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,539.85 : 3,688,105.97 = 1,448,845.11 : x
  2. Step 2: Convert to fraction form
    2,672,539.85/3,688,105.97 = 1,448,845.11/x
  3. Step 3: Cross multiply
    2,672,539.85x = 3,688,105.97 × 1,448,845.11
  4. Step 4: Simplify right side
    2,672,539.85x = 5,343,494,303,418.42
  5. Step 5: Solve for x
    x = 5,343,494,303,418.42/2,672,539.85
  6. Step 6: Final answer
    x = 1,999,406.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.