Finding the Fourth Proportional to 4,215,781.62, 6,319,797.48 and 1,519,446.96
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Solution
The fourth proportional to 4,215,781.62, 6,319,797.48 and 1,519,446.96 is: 2,277,773.84
Step by Step Solution
- Step 1: Write the proportion equation
4,215,781.62 : 6,319,797.48 = 1,519,446.96 : x - Step 2: Convert to fraction form
4,215,781.62/6,319,797.48 = 1,519,446.96/x - Step 3: Cross multiply
4,215,781.62x = 6,319,797.48 × 1,519,446.96 - Step 4: Simplify right side
4,215,781.62x = 9,602,597,068,801.66 - Step 5: Solve for x
x = 9,602,597,068,801.66/4,215,781.62 - Step 6: Final answer
x = 2,277,773.84
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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.