Finding the Fourth Proportional to 3,981,024.23, 5,971,551.75 and 1,211,319.14
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Solution
The fourth proportional to 3,981,024.23, 5,971,551.75 and 1,211,319.14 is: 1,816,983.39
Step by Step Solution
- Step 1: Write the proportion equation
3,981,024.23 : 5,971,551.75 = 1,211,319.14 : x - Step 2: Convert to fraction form
3,981,024.23/5,971,551.75 = 1,211,319.14/x - Step 3: Cross multiply
3,981,024.23x = 5,971,551.75 × 1,211,319.14 - Step 4: Simplify right side
3,981,024.23x = 7,233,454,900,417.74 - Step 5: Solve for x
x = 7,233,454,900,417.74/3,981,024.23 - Step 6: Final answer
x = 1,816,983.39
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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.