Home / 2,072,705.78-3,109,058.80-809,647.70

Finding the Fourth Proportional to 2,072,705.78, 3,109,058.80 and 809,647.70

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Solution

The fourth proportional to 2,072,705.78, 3,109,058.80 and 809,647.70 is: 1,214,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,705.78 : 3,109,058.80 = 809,647.70 : x
  2. Step 2: Convert to fraction form
    2,072,705.78/3,109,058.80 = 809,647.70/x
  3. Step 3: Cross multiply
    2,072,705.78x = 3,109,058.80 × 809,647.70
  4. Step 4: Simplify right side
    2,072,705.78x = 2,517,242,306,584.76
  5. Step 5: Solve for x
    x = 2,517,242,306,584.76/2,072,705.78
  6. Step 6: Final answer
    x = 1,214,471.60

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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.