Home / 2,018,385.76-2,786,046.96-1,202,845.36

Finding the Fourth Proportional to 2,018,385.76, 2,786,046.96 and 1,202,845.36

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Solution

The fourth proportional to 2,018,385.76, 2,786,046.96 and 1,202,845.36 is: 1,660,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,385.76 : 2,786,046.96 = 1,202,845.36 : x
  2. Step 2: Convert to fraction form
    2,018,385.76/2,786,046.96 = 1,202,845.36/x
  3. Step 3: Cross multiply
    2,018,385.76x = 2,786,046.96 × 1,202,845.36
  4. Step 4: Simplify right side
    2,018,385.76x = 3,351,183,658,578.11
  5. Step 5: Solve for x
    x = 3,351,183,658,578.11/2,018,385.76
  6. Step 6: Final answer
    x = 1,660,328.63

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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.