Home / 2,996,490.80-4,494,736.20-1,988,721.20

Finding the Fourth Proportional to 2,996,490.80, 4,494,736.20 and 1,988,721.20

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Solution

The fourth proportional to 2,996,490.80, 4,494,736.20 and 1,988,721.20 is: 2,983,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,490.80 : 4,494,736.20 = 1,988,721.20 : x
  2. Step 2: Convert to fraction form
    2,996,490.80/4,494,736.20 = 1,988,721.20/x
  3. Step 3: Cross multiply
    2,996,490.80x = 4,494,736.20 × 1,988,721.20
  4. Step 4: Simplify right side
    2,996,490.80x = 8,938,777,169,347.44
  5. Step 5: Solve for x
    x = 8,938,777,169,347.44/2,996,490.80
  6. Step 6: Final answer
    x = 2,983,081.80

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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.