Home / 1,992,822.20-2,989,233.30-1,642,902.20

Finding the Fourth Proportional to 1,992,822.20, 2,989,233.30 and 1,642,902.20

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Solution

The fourth proportional to 1,992,822.20, 2,989,233.30 and 1,642,902.20 is: 2,464,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,822.20 : 2,989,233.30 = 1,642,902.20 : x
  2. Step 2: Convert to fraction form
    1,992,822.20/2,989,233.30 = 1,642,902.20/x
  3. Step 3: Cross multiply
    1,992,822.20x = 2,989,233.30 × 1,642,902.20
  4. Step 4: Simplify right side
    1,992,822.20x = 4,911,017,964,883.26
  5. Step 5: Solve for x
    x = 4,911,017,964,883.26/1,992,822.20
  6. Step 6: Final answer
    x = 2,464,353.30

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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.