Finding the Fourth Proportional to 4,842,142.62, 7,260,502.05 and 2,245,663.32
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Solution
The fourth proportional to 4,842,142.62, 7,260,502.05 and 2,245,663.32 is: 3,367,237.28
Step by Step Solution
- Step 1: Write the proportion equation
4,842,142.62 : 7,260,502.05 = 2,245,663.32 : x - Step 2: Convert to fraction form
4,842,142.62/7,260,502.05 = 2,245,663.32/x - Step 3: Cross multiply
4,842,142.62x = 7,260,502.05 × 2,245,663.32 - Step 4: Simplify right side
4,842,142.62x = 16,304,643,138,469.80 - Step 5: Solve for x
x = 16,304,643,138,469.80/4,842,142.62 - Step 6: Final answer
x = 3,367,237.28
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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.