Finding the Fourth Proportional to 5,394,947.49, 8,087,161.50 and 2,155,519.35
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Solution
The fourth proportional to 5,394,947.49, 8,087,161.50 and 2,155,519.35 is: 3,231,177.53
Step by Step Solution
- Step 1: Write the proportion equation
5,394,947.49 : 8,087,161.50 = 2,155,519.35 : x - Step 2: Convert to fraction form
5,394,947.49/8,087,161.50 = 2,155,519.35/x - Step 3: Cross multiply
5,394,947.49x = 8,087,161.50 × 2,155,519.35 - Step 4: Simplify right side
5,394,947.49x = 17,432,033,099,825.03 - Step 5: Solve for x
x = 17,432,033,099,825.03/5,394,947.49 - Step 6: Final answer
x = 3,231,177.53
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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.