Finding the Fourth Proportional to 2,988,328.44, 4,123,874.16 and 1,699,168.80
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Solution
The fourth proportional to 2,988,328.44, 4,123,874.16 and 1,699,168.80 is: 2,344,842.09
Step by Step Solution
- Step 1: Write the proportion equation
2,988,328.44 : 4,123,874.16 = 1,699,168.80 : x - Step 2: Convert to fraction form
2,988,328.44/4,123,874.16 = 1,699,168.80/x - Step 3: Cross multiply
2,988,328.44x = 4,123,874.16 × 1,699,168.80 - Step 4: Simplify right side
2,988,328.44x = 7,007,158,307,798.21 - Step 5: Solve for x
x = 7,007,158,307,798.21/2,988,328.44 - Step 6: Final answer
x = 2,344,842.09
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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.