Finding the Fourth Proportional to 3,868,902.32, 5,333,458.16 and 2,703,731.09
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Solution
The fourth proportional to 3,868,902.32, 5,333,458.16 and 2,703,731.09 is: 3,727,216.52
Step by Step Solution
- Step 1: Write the proportion equation
3,868,902.32 : 5,333,458.16 = 2,703,731.09 : x - Step 2: Convert to fraction form
3,868,902.32/5,333,458.16 = 2,703,731.09/x - Step 3: Cross multiply
3,868,902.32x = 5,333,458.16 × 2,703,731.09 - Step 4: Simplify right side
3,868,902.32x = 14,420,236,604,220.25 - Step 5: Solve for x
x = 14,420,236,604,220.25/3,868,902.32 - Step 6: Final answer
x = 3,727,216.52
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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.