Finding the Fourth Proportional to 6,677,839.53, 9,215,328.12 and 3,737,655.75
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Solution
The fourth proportional to 6,677,839.53, 9,215,328.12 and 3,737,655.75 is: 5,157,914.32
Step by Step Solution
- Step 1: Write the proportion equation
6,677,839.53 : 9,215,328.12 = 3,737,655.75 : x - Step 2: Convert to fraction form
6,677,839.53/9,215,328.12 = 3,737,655.75/x - Step 3: Cross multiply
6,677,839.53x = 9,215,328.12 × 3,737,655.75 - Step 4: Simplify right side
6,677,839.53x = 34,443,724,135,854.69 - Step 5: Solve for x
x = 34,443,724,135,854.69/6,677,839.53 - Step 6: Final answer
x = 5,157,914.32
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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.