Finding the Fourth Proportional to 1,987,259.70, 2,981,329.38 and 725,083.68
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Solution
The fourth proportional to 1,987,259.70, 2,981,329.38 and 725,083.68 is: 1,087,786.00
Step by Step Solution
- Step 1: Write the proportion equation
1,987,259.70 : 2,981,329.38 = 725,083.68 : x - Step 2: Convert to fraction form
1,987,259.70/2,981,329.38 = 725,083.68/x - Step 3: Cross multiply
1,987,259.70x = 2,981,329.38 × 725,083.68 - Step 4: Simplify right side
1,987,259.70x = 2,161,713,278,142.52 - Step 5: Solve for x
x = 2,161,713,278,142.52/1,987,259.70 - Step 6: Final answer
x = 1,087,786.00
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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.