Finding the Fourth Proportional to 6,479,084.20, 9,718,626.30 and 6,384,605.80
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Solution
The fourth proportional to 6,479,084.20, 9,718,626.30 and 6,384,605.80 is: 9,576,908.70
Step by Step Solution
- Step 1: Write the proportion equation
6,479,084.20 : 9,718,626.30 = 6,384,605.80 : x - Step 2: Convert to fraction form
6,479,084.20/9,718,626.30 = 6,384,605.80/x - Step 3: Cross multiply
6,479,084.20x = 9,718,626.30 × 6,384,605.80 - Step 4: Simplify right side
6,479,084.20x = 62,049,597,843,012.54 - Step 5: Solve for x
x = 62,049,597,843,012.54/6,479,084.20 - Step 6: Final answer
x = 9,576,908.70
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1.5x scale
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.