Finding the Fourth Proportional to 2,676,220.20, 3,691,503.96 and 1,587,721.14
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Solution
The fourth proportional to 2,676,220.20, 3,691,503.96 and 1,587,721.14 is: 2,190,058.53
Step by Step Solution
- Step 1: Write the proportion equation
2,676,220.20 : 3,691,503.96 = 1,587,721.14 : x - Step 2: Convert to fraction form
2,676,220.20/3,691,503.96 = 1,587,721.14/x - Step 3: Cross multiply
2,676,220.20x = 3,691,503.96 × 1,587,721.14 - Step 4: Simplify right side
2,676,220.20x = 5,861,078,875,685.71 - Step 5: Solve for x
x = 5,861,078,875,685.71/2,676,220.20 - Step 6: Final answer
x = 2,190,058.53
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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.