Finding the Fourth Proportional to 5,349,410.17, 7,382,182.28 and 2,902,021.68
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Solution
The fourth proportional to 5,349,410.17, 7,382,182.28 and 2,902,021.68 is: 4,004,787.88
Step by Step Solution
- Step 1: Write the proportion equation
5,349,410.17 : 7,382,182.28 = 2,902,021.68 : x - Step 2: Convert to fraction form
5,349,410.17/7,382,182.28 = 2,902,021.68/x - Step 3: Cross multiply
5,349,410.17x = 7,382,182.28 × 2,902,021.68 - Step 4: Simplify right side
5,349,410.17x = 21,423,253,007,761.72 - Step 5: Solve for x
x = 21,423,253,007,761.72/5,349,410.17 - Step 6: Final answer
x = 4,004,787.88
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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.