Finding the Fourth Proportional to 5,378,721.39, 8,069,662.17 and 1,592,302.68
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Solution
The fourth proportional to 5,378,721.39, 8,069,662.17 and 1,592,302.68 is: 2,388,921.78
Step by Step Solution
- Step 1: Write the proportion equation
5,378,721.39 : 8,069,662.17 = 1,592,302.68 : x - Step 2: Convert to fraction form
5,378,721.39/8,069,662.17 = 1,592,302.68/x - Step 3: Cross multiply
5,378,721.39x = 8,069,662.17 × 1,592,302.68 - Step 4: Simplify right side
5,378,721.39x = 12,849,344,699,985.62 - Step 5: Solve for x
x = 12,849,344,699,985.62/5,378,721.39 - Step 6: Final answer
x = 2,388,921.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.