Home / 1,420,127.49-2,131,249.24-1,042,025.26

Finding the Fourth Proportional to 1,420,127.49, 2,131,249.24 and 1,042,025.26

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Solution

The fourth proportional to 1,420,127.49, 2,131,249.24 and 1,042,025.26 is: 1,563,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,127.49 : 2,131,249.24 = 1,042,025.26 : x
  2. Step 2: Convert to fraction form
    1,420,127.49/2,131,249.24 = 1,042,025.26/x
  3. Step 3: Cross multiply
    1,420,127.49x = 2,131,249.24 × 1,042,025.26
  4. Step 4: Simplify right side
    1,420,127.49x = 2,220,815,543,435.80
  5. Step 5: Solve for x
    x = 2,220,815,543,435.80/1,420,127.49
  6. Step 6: Final answer
    x = 1,563,814.21

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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.