Home / 2,719,621.71-4,078,028.70-800,283.49

Finding the Fourth Proportional to 2,719,621.71, 4,078,028.70 and 800,283.49

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Solution

The fourth proportional to 2,719,621.71, 4,078,028.70 and 800,283.49 is: 1,200,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,621.71 : 4,078,028.70 = 800,283.49 : x
  2. Step 2: Convert to fraction form
    2,719,621.71/4,078,028.70 = 800,283.49/x
  3. Step 3: Cross multiply
    2,719,621.71x = 4,078,028.70 × 800,283.49
  4. Step 4: Simplify right side
    2,719,621.71x = 3,263,579,040,356.16
  5. Step 5: Solve for x
    x = 3,263,579,040,356.16/2,719,621.71
  6. Step 6: Final answer
    x = 1,200,012.13

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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.