Home / 2,719,619.71-4,078,025.71-800,281.49

Finding the Fourth Proportional to 2,719,619.71, 4,078,025.71 and 800,281.49

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Solution

The fourth proportional to 2,719,619.71, 4,078,025.71 and 800,281.49 is: 1,200,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,619.71 : 4,078,025.71 = 800,281.49 : x
  2. Step 2: Convert to fraction form
    2,719,619.71/4,078,025.71 = 800,281.49/x
  3. Step 3: Cross multiply
    2,719,619.71x = 4,078,025.71 × 800,281.49
  4. Step 4: Simplify right side
    2,719,619.71x = 3,263,568,487,455.70
  5. Step 5: Solve for x
    x = 3,263,568,487,455.70/2,719,619.71
  6. Step 6: Final answer
    x = 1,200,009.13

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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.