Finding the Fourth Proportional to 4,690,911.06, 6,470,120.16 and 4,304,972.78
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Solution
The fourth proportional to 4,690,911.06, 6,470,120.16 and 4,304,972.78 is: 5,937,799.89
Step by Step Solution
- Step 1: Write the proportion equation
4,690,911.06 : 6,470,120.16 = 4,304,972.78 : x - Step 2: Convert to fraction form
4,690,911.06/6,470,120.16 = 4,304,972.78/x - Step 3: Cross multiply
4,690,911.06x = 6,470,120.16 × 4,304,972.78 - Step 4: Simplify right side
4,690,911.06x = 27,853,691,172,129.25 - Step 5: Solve for x
x = 27,853,691,172,129.25/4,690,911.06 - Step 6: Final answer
x = 5,937,799.89
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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.