Finding the Fourth Proportional to 5,705,918.10, 8,560,168.70 and 3,278,192.18
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Solution
The fourth proportional to 5,705,918.10, 8,560,168.70 and 3,278,192.18 is: 4,918,030.29
Step by Step Solution
- Step 1: Write the proportion equation
5,705,918.10 : 8,560,168.70 = 3,278,192.18 : x - Step 2: Convert to fraction form
5,705,918.10/8,560,168.70 = 3,278,192.18/x - Step 3: Cross multiply
5,705,918.10x = 8,560,168.70 × 3,278,192.18 - Step 4: Simplify right side
5,705,918.10x = 28,061,878,032,628.96 - Step 5: Solve for x
x = 28,061,878,032,628.96/5,705,918.10 - Step 6: Final answer
x = 4,918,030.29
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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.