Finding the Fourth Proportional to 7,471,605.65, 11,193,892.61 and 3,431,473.07
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Solution
The fourth proportional to 7,471,605.65, 11,193,892.61 and 3,431,473.07 is: 5,141,002.19
Step by Step Solution
- Step 1: Write the proportion equation
7,471,605.65 : 11,193,892.61 = 3,431,473.07 : x - Step 2: Convert to fraction form
7,471,605.65/11,193,892.61 = 3,431,473.07/x - Step 3: Cross multiply
7,471,605.65x = 11,193,892.61 × 3,431,473.07 - Step 4: Simplify right side
7,471,605.65x = 38,411,540,966,560.19 - Step 5: Solve for x
x = 38,411,540,966,560.19/7,471,605.65 - Step 6: Final answer
x = 5,141,002.19
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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.