Finding the Fourth Proportional to 5,291,705.16, 7,934,990.04 and 3,103,872.48
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Solution
The fourth proportional to 5,291,705.16, 7,934,990.04 and 3,103,872.48 is: 4,654,302.62
Step by Step Solution
- Step 1: Write the proportion equation
5,291,705.16 : 7,934,990.04 = 3,103,872.48 : x - Step 2: Convert to fraction form
5,291,705.16/7,934,990.04 = 3,103,872.48/x - Step 3: Cross multiply
5,291,705.16x = 7,934,990.04 × 3,103,872.48 - Step 4: Simplify right side
5,291,705.16x = 24,629,197,214,230.10 - Step 5: Solve for x
x = 24,629,197,214,230.10/5,291,705.16 - Step 6: Final answer
x = 4,654,302.62
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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.