Finding the Fourth Proportional to 6,082,721.36, 9,114,006.88 and 4,276,781.44
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Solution
The fourth proportional to 6,082,721.36, 9,114,006.88 and 4,276,781.44 is: 6,408,088.28
Step by Step Solution
- Step 1: Write the proportion equation
6,082,721.36 : 9,114,006.88 = 4,276,781.44 : x - Step 2: Convert to fraction form
6,082,721.36/9,114,006.88 = 4,276,781.44/x - Step 3: Cross multiply
6,082,721.36x = 9,114,006.88 × 4,276,781.44 - Step 4: Simplify right side
6,082,721.36x = 38,978,615,468,416.31 - Step 5: Solve for x
x = 38,978,615,468,416.31/6,082,721.36 - Step 6: Final answer
x = 6,408,088.28
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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.