Finding the Fourth Proportional to 3,519,152.97, 4,855,302.42 and 1,970,186.99
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Solution
The fourth proportional to 3,519,152.97, 4,855,302.42 and 1,970,186.99 is: 2,718,226.15
Step by Step Solution
- Step 1: Write the proportion equation
3,519,152.97 : 4,855,302.42 = 1,970,186.99 : x - Step 2: Convert to fraction form
3,519,152.97/4,855,302.42 = 1,970,186.99/x - Step 3: Cross multiply
3,519,152.97x = 4,855,302.42 × 1,970,186.99 - Step 4: Simplify right side
3,519,152.97x = 9,565,853,636,123.00 - Step 5: Solve for x
x = 9,565,853,636,123.00/3,519,152.97 - Step 6: Final answer
x = 2,718,226.15
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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.