Finding the Fourth Proportional to 4,690,915.12, 6,470,125.68 and 4,304,976.84
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Solution
The fourth proportional to 4,690,915.12, 6,470,125.68 and 4,304,976.84 is: 5,937,805.42
Step by Step Solution
- Step 1: Write the proportion equation
4,690,915.12 : 6,470,125.68 = 4,304,976.84 : x - Step 2: Convert to fraction form
4,690,915.12/6,470,125.68 = 4,304,976.84/x - Step 3: Cross multiply
4,690,915.12x = 6,470,125.68 × 4,304,976.84 - Step 4: Simplify right side
4,690,915.12x = 27,853,741,204,289.25 - Step 5: Solve for x
x = 27,853,741,204,289.25/4,690,915.12 - Step 6: Final answer
x = 5,937,805.42
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1.5x scale
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.