Finding the Fourth Proportional to 2,317,844.52, 3,198,615.39 and 1,299,249.30
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Solution
The fourth proportional to 2,317,844.52, 3,198,615.39 and 1,299,249.30 is: 1,792,958.40
Step by Step Solution
- Step 1: Write the proportion equation
2,317,844.52 : 3,198,615.39 = 1,299,249.30 : x - Step 2: Convert to fraction form
2,317,844.52/3,198,615.39 = 1,299,249.30/x - Step 3: Cross multiply
2,317,844.52x = 3,198,615.39 × 1,299,249.30 - Step 4: Simplify right side
2,317,844.52x = 4,155,798,806,426.73 - Step 5: Solve for x
x = 4,155,798,806,426.73/2,317,844.52 - Step 6: Final answer
x = 1,792,958.40
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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.