Home / 1,519,916-2,098,321.20-1,137,805.28

Finding the Fourth Proportional to 1,519,916, 2,098,321.20 and 1,137,805.28

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Solution

The fourth proportional to 1,519,916, 2,098,321.20 and 1,137,805.28 is: 1,570,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,916 : 2,098,321.20 = 1,137,805.28 : x
  2. Step 2: Convert to fraction form
    1,519,916/2,098,321.20 = 1,137,805.28/x
  3. Step 3: Cross multiply
    1,519,916x = 2,098,321.20 × 1,137,805.28
  4. Step 4: Simplify right side
    1,519,916x = 2,387,480,940,495.94
  5. Step 5: Solve for x
    x = 2,387,480,940,495.94/1,519,916
  6. Step 6: Final answer
    x = 1,570,797.95

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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.