Finding the Fourth Proportional to 4,378,233.14, 6,567,349.34 and 2,218,921.92
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Solution
The fourth proportional to 4,378,233.14, 6,567,349.34 and 2,218,921.92 is: 3,328,382.70
Step by Step Solution
- Step 1: Write the proportion equation
4,378,233.14 : 6,567,349.34 = 2,218,921.92 : x - Step 2: Convert to fraction form
4,378,233.14/6,567,349.34 = 2,218,921.92/x - Step 3: Cross multiply
4,378,233.14x = 6,567,349.34 × 2,218,921.92 - Step 4: Simplify right side
4,378,233.14x = 14,572,435,418,359.41 - Step 5: Solve for x
x = 14,572,435,418,359.41/4,378,233.14 - Step 6: Final answer
x = 3,328,382.70
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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.