Finding the Fourth Proportional to 5,617,545.38, 7,760,148.81 and 4,470,157.70
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Solution
The fourth proportional to 5,617,545.38, 7,760,148.81 and 4,470,157.70 is: 6,175,132.84
Step by Step Solution
- Step 1: Write the proportion equation
5,617,545.38 : 7,760,148.81 = 4,470,157.70 : x - Step 2: Convert to fraction form
5,617,545.38/7,760,148.81 = 4,470,157.70/x - Step 3: Cross multiply
5,617,545.38x = 7,760,148.81 × 4,470,157.70 - Step 4: Simplify right side
5,617,545.38x = 34,689,088,956,167.34 - Step 5: Solve for x
x = 34,689,088,956,167.34/5,617,545.38 - Step 6: Final answer
x = 6,175,132.84
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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.