Finding the Fourth Proportional to 5,349,768.97, 7,382,695.20 and 2,902,379.89
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Solution
The fourth proportional to 5,349,768.97, 7,382,695.20 and 2,902,379.89 is: 4,005,291.86
Step by Step Solution
- Step 1: Write the proportion equation
5,349,768.97 : 7,382,695.20 = 2,902,379.89 : x - Step 2: Convert to fraction form
5,349,768.97/7,382,695.20 = 2,902,379.89/x - Step 3: Cross multiply
5,349,768.97x = 7,382,695.20 × 2,902,379.89 - Step 4: Simplify right side
5,349,768.97x = 21,427,386,082,479.53 - Step 5: Solve for x
x = 21,427,386,082,479.53/5,349,768.97 - Step 6: Final answer
x = 4,005,291.86
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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.