Finding the Fourth Proportional to 4,855,951.62, 6,703,782.35 and 3,138,052.19
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Solution
The fourth proportional to 4,855,951.62, 6,703,782.35 and 3,138,052.19 is: 4,332,172.25
Step by Step Solution
- Step 1: Write the proportion equation
4,855,951.62 : 6,703,782.35 = 3,138,052.19 : x - Step 2: Convert to fraction form
4,855,951.62/6,703,782.35 = 3,138,052.19/x - Step 3: Cross multiply
4,855,951.62x = 6,703,782.35 × 3,138,052.19 - Step 4: Simplify right side
4,855,951.62x = 21,036,818,835,491.67 - Step 5: Solve for x
x = 21,036,818,835,491.67/4,855,951.62 - Step 6: Final answer
x = 4,332,172.25
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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.