Home / 4,268,615.85-6,403,260.74-1,428,738.57

Finding the Fourth Proportional to 4,268,615.85, 6,403,260.74 and 1,428,738.57

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Solution

The fourth proportional to 4,268,615.85, 6,403,260.74 and 1,428,738.57 is: 2,143,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,615.85 : 6,403,260.74 = 1,428,738.57 : x
  2. Step 2: Convert to fraction form
    4,268,615.85/6,403,260.74 = 1,428,738.57/x
  3. Step 3: Cross multiply
    4,268,615.85x = 6,403,260.74 × 1,428,738.57
  4. Step 4: Simplify right side
    4,268,615.85x = 9,148,585,585,861.05
  5. Step 5: Solve for x
    x = 9,148,585,585,861.05/4,268,615.85
  6. Step 6: Final answer
    x = 2,143,220.64

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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.