Home / 3,640,722.93-5,024,318.32-1,986,960.60

Finding the Fourth Proportional to 3,640,722.93, 5,024,318.32 and 1,986,960.60

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Solution

The fourth proportional to 3,640,722.93, 5,024,318.32 and 1,986,960.60 is: 2,742,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,722.93 : 5,024,318.32 = 1,986,960.60 : x
  2. Step 2: Convert to fraction form
    3,640,722.93/5,024,318.32 = 1,986,960.60/x
  3. Step 3: Cross multiply
    3,640,722.93x = 5,024,318.32 × 1,986,960.60
  4. Step 4: Simplify right side
    3,640,722.93x = 9,983,122,568,748.64
  5. Step 5: Solve for x
    x = 9,983,122,568,748.64/3,640,722.93
  6. Step 6: Final answer
    x = 2,742,071.49

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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.