Finding the Fourth Proportional to 7,192,840.38, 10,794,569.85 and 3,406,317.18
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Solution
The fourth proportional to 7,192,840.38, 10,794,569.85 and 3,406,317.18 is: 5,111,990.09
Step by Step Solution
- Step 1: Write the proportion equation
7,192,840.38 : 10,794,569.85 = 3,406,317.18 : x - Step 2: Convert to fraction form
7,192,840.38/10,794,569.85 = 3,406,317.18/x - Step 3: Cross multiply
7,192,840.38x = 10,794,569.85 × 3,406,317.18 - Step 4: Simplify right side
7,192,840.38x = 36,769,728,730,765.02 - Step 5: Solve for x
x = 36,769,728,730,765.02/7,192,840.38 - Step 6: Final answer
x = 5,111,990.09
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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.