Finding the Fourth Proportional to 2,678,841.30, 3,695,328.57 and 1,696,982.19
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Solution
The fourth proportional to 2,678,841.30, 3,695,328.57 and 1,696,982.19 is: 2,340,902.68
Step by Step Solution
- Step 1: Write the proportion equation
2,678,841.30 : 3,695,328.57 = 1,696,982.19 : x - Step 2: Convert to fraction form
2,678,841.30/3,695,328.57 = 1,696,982.19/x - Step 3: Cross multiply
2,678,841.30x = 3,695,328.57 × 1,696,982.19 - Step 4: Simplify right side
2,678,841.30x = 6,270,906,769,488.17 - Step 5: Solve for x
x = 6,270,906,769,488.17/2,678,841.30 - Step 6: Final answer
x = 2,340,902.68
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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.