Home / 1,467,377.70-2,198,114.10-989,080.80

Finding the Fourth Proportional to 1,467,377.70, 2,198,114.10 and 989,080.80

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Solution

The fourth proportional to 1,467,377.70, 2,198,114.10 and 989,080.80 is: 1,481,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,377.70 : 2,198,114.10 = 989,080.80 : x
  2. Step 2: Convert to fraction form
    1,467,377.70/2,198,114.10 = 989,080.80/x
  3. Step 3: Cross multiply
    1,467,377.70x = 2,198,114.10 × 989,080.80
  4. Step 4: Simplify right side
    1,467,377.70x = 2,174,112,452,519.28
  5. Step 5: Solve for x
    x = 2,174,112,452,519.28/1,467,377.70
  6. Step 6: Final answer
    x = 1,481,631.11

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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.