Finding the Fourth Proportional to 1,987,356.54, 2,981,083.80 and 725,183.76
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Solution
The fourth proportional to 1,987,356.54, 2,981,083.80 and 725,183.76 is: 1,087,793.52
Step by Step Solution
- Step 1: Write the proportion equation
1,987,356.54 : 2,981,083.80 = 725,183.76 : x - Step 2: Convert to fraction form
1,987,356.54/2,981,083.80 = 725,183.76/x - Step 3: Cross multiply
1,987,356.54x = 2,981,083.80 × 725,183.76 - Step 4: Simplify right side
1,987,356.54x = 2,161,833,558,959.09 - Step 5: Solve for x
x = 2,161,833,558,959.09/1,987,356.54 - Step 6: Final answer
x = 1,087,793.52
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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.