Finding the Fourth Proportional to 5,645,795.06, 7,790,943.25 and 3,198,356.17
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Solution
The fourth proportional to 5,645,795.06, 7,790,943.25 and 3,198,356.17 is: 4,413,587.66
Step by Step Solution
- Step 1: Write the proportion equation
5,645,795.06 : 7,790,943.25 = 3,198,356.17 : x - Step 2: Convert to fraction form
5,645,795.06/7,790,943.25 = 3,198,356.17/x - Step 3: Cross multiply
5,645,795.06x = 7,790,943.25 × 3,198,356.17 - Step 4: Simplify right side
5,645,795.06x = 24,918,211,413,757.35 - Step 5: Solve for x
x = 24,918,211,413,757.35/5,645,795.06 - Step 6: Final answer
x = 4,413,587.66
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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.