Finding the Fourth Proportional to 5,321,387.38, 7,343,521.68 and 3,029,548.08
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Solution
The fourth proportional to 5,321,387.38, 7,343,521.68 and 3,029,548.08 is: 4,180,780.39
Step by Step Solution
- Step 1: Write the proportion equation
5,321,387.38 : 7,343,521.68 = 3,029,548.08 : x - Step 2: Convert to fraction form
5,321,387.38/7,343,521.68 = 3,029,548.08/x - Step 3: Cross multiply
5,321,387.38x = 7,343,521.68 × 3,029,548.08 - Step 4: Simplify right side
5,321,387.38x = 22,247,552,006,082.38 - Step 5: Solve for x
x = 22,247,552,006,082.38/5,321,387.38 - Step 6: Final answer
x = 4,180,780.39
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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.