Home / 2,647,180.47-3,970,395.81-849,827.28

Finding the Fourth Proportional to 2,647,180.47, 3,970,395.81 and 849,827.28

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Solution

The fourth proportional to 2,647,180.47, 3,970,395.81 and 849,827.28 is: 1,274,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,180.47 : 3,970,395.81 = 849,827.28 : x
  2. Step 2: Convert to fraction form
    2,647,180.47/3,970,395.81 = 849,827.28/x
  3. Step 3: Cross multiply
    2,647,180.47x = 3,970,395.81 × 849,827.28
  4. Step 4: Simplify right side
    2,647,180.47x = 3,374,150,671,735.70
  5. Step 5: Solve for x
    x = 3,374,150,671,735.70/2,647,180.47
  6. Step 6: Final answer
    x = 1,274,620.57

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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.