Home / 2,989,936.98-4,126,055.49-1,631,819.70

Finding the Fourth Proportional to 2,989,936.98, 4,126,055.49 and 1,631,819.70

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Solution

The fourth proportional to 2,989,936.98, 4,126,055.49 and 1,631,819.70 is: 2,251,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,936.98 : 4,126,055.49 = 1,631,819.70 : x
  2. Step 2: Convert to fraction form
    2,989,936.98/4,126,055.49 = 1,631,819.70/x
  3. Step 3: Cross multiply
    2,989,936.98x = 4,126,055.49 × 1,631,819.70
  4. Step 4: Simplify right side
    2,989,936.98x = 6,732,978,631,875.15
  5. Step 5: Solve for x
    x = 6,732,978,631,875.15/2,989,936.98
  6. Step 6: Final answer
    x = 2,251,879.78

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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.