Finding the Fourth Proportional to 5,678,897.67, 8,509,727.30 and 4,163,589.36
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Solution
The fourth proportional to 5,678,897.67, 8,509,727.30 and 4,163,589.36 is: 6,239,064.71
Step by Step Solution
- Step 1: Write the proportion equation
5,678,897.67 : 8,509,727.30 = 4,163,589.36 : x - Step 2: Convert to fraction form
5,678,897.67/8,509,727.30 = 4,163,589.36/x - Step 3: Cross multiply
5,678,897.67x = 8,509,727.30 × 4,163,589.36 - Step 4: Simplify right side
5,678,897.67x = 35,431,010,021,963.58 - Step 5: Solve for x
x = 35,431,010,021,963.58/5,678,897.67 - Step 6: Final answer
x = 6,239,064.71
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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.