Home / 4,085,021.70-6,127,532.55-1,245,129.30

Finding the Fourth Proportional to 4,085,021.70, 6,127,532.55 and 1,245,129.30

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Solution

The fourth proportional to 4,085,021.70, 6,127,532.55 and 1,245,129.30 is: 1,867,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085,021.70 : 6,127,532.55 = 1,245,129.30 : x
  2. Step 2: Convert to fraction form
    4,085,021.70/6,127,532.55 = 1,245,129.30/x
  3. Step 3: Cross multiply
    4,085,021.70x = 6,127,532.55 × 1,245,129.30
  4. Step 4: Simplify right side
    4,085,021.70x = 7,629,570,314,708.72
  5. Step 5: Solve for x
    x = 7,629,570,314,708.72/4,085,021.70
  6. Step 6: Final answer
    x = 1,867,693.95

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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.