Home / 1,628,355.89-2,247,132.95-949,423.61

Finding the Fourth Proportional to 1,628,355.89, 2,247,132.95 and 949,423.61

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Solution

The fourth proportional to 1,628,355.89, 2,247,132.95 and 949,423.61 is: 1,310,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,355.89 : 2,247,132.95 = 949,423.61 : x
  2. Step 2: Convert to fraction form
    1,628,355.89/2,247,132.95 = 949,423.61/x
  3. Step 3: Cross multiply
    1,628,355.89x = 2,247,132.95 × 949,423.61
  4. Step 4: Simplify right side
    1,628,355.89x = 2,133,481,061,556.17
  5. Step 5: Solve for x
    x = 2,133,481,061,556.17/1,628,355.89
  6. Step 6: Final answer
    x = 1,310,205.64

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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.