Finding the Fourth Proportional to 5,415,624.72, 7,476,960.12 and 3,485,239.92
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Solution
The fourth proportional to 5,415,624.72, 7,476,960.12 and 3,485,239.92 is: 4,811,817.89
Step by Step Solution
- Step 1: Write the proportion equation
5,415,624.72 : 7,476,960.12 = 3,485,239.92 : x - Step 2: Convert to fraction form
5,415,624.72/7,476,960.12 = 3,485,239.92/x - Step 3: Cross multiply
5,415,624.72x = 7,476,960.12 × 3,485,239.92 - Step 4: Simplify right side
5,415,624.72x = 26,058,999,890,471.99 - Step 5: Solve for x
x = 26,058,999,890,471.99/5,415,624.72 - Step 6: Final answer
x = 4,811,817.89
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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.