Finding the Fourth Proportional to 1,987,364.62, 2,981,095.80 and 725,191.84
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Solution
The fourth proportional to 1,987,364.62, 2,981,095.80 and 725,191.84 is: 1,087,805.59
Step by Step Solution
- Step 1: Write the proportion equation
1,987,364.62 : 2,981,095.80 = 725,191.84 : x - Step 2: Convert to fraction form
1,987,364.62/2,981,095.80 = 725,191.84/x - Step 3: Cross multiply
1,987,364.62x = 2,981,095.80 × 725,191.84 - Step 4: Simplify right side
1,987,364.62x = 2,161,866,348,418.27 - Step 5: Solve for x
x = 2,161,866,348,418.27/1,987,364.62 - Step 6: Final answer
x = 1,087,805.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.