Finding the Fourth Proportional to 3,425,654.49, 4,727,058.71 and 1,897,476.09
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Solution
The fourth proportional to 3,425,654.49, 4,727,058.71 and 1,897,476.09 is: 2,618,326.19
Step by Step Solution
- Step 1: Write the proportion equation
3,425,654.49 : 4,727,058.71 = 1,897,476.09 : x - Step 2: Convert to fraction form
3,425,654.49/4,727,058.71 = 1,897,476.09/x - Step 3: Cross multiply
3,425,654.49x = 4,727,058.71 × 1,897,476.09 - Step 4: Simplify right side
3,425,654.49x = 8,969,480,878,251.24 - Step 5: Solve for x
x = 8,969,480,878,251.24/3,425,654.49 - Step 6: Final answer
x = 2,618,326.19
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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.