Home / 2,142,255.44-3,213,429.60-776,151.02

Finding the Fourth Proportional to 2,142,255.44, 3,213,429.60 and 776,151.02

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Solution

The fourth proportional to 2,142,255.44, 3,213,429.60 and 776,151.02 is: 1,164,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,255.44 : 3,213,429.60 = 776,151.02 : x
  2. Step 2: Convert to fraction form
    2,142,255.44/3,213,429.60 = 776,151.02/x
  3. Step 3: Cross multiply
    2,142,255.44x = 3,213,429.60 × 776,151.02
  4. Step 4: Simplify right side
    2,142,255.44x = 2,494,106,661,738.19
  5. Step 5: Solve for x
    x = 2,494,106,661,738.19/2,142,255.44
  6. Step 6: Final answer
    x = 1,164,243.36

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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.