Finding the Fourth Proportional to 1,981,625.74, 2,972,422.71 and 1,177,582.48
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Solution
The fourth proportional to 1,981,625.74, 2,972,422.71 and 1,177,582.48 is: 1,766,364.27
Step by Step Solution
- Step 1: Write the proportion equation
1,981,625.74 : 2,972,422.71 = 1,177,582.48 : x - Step 2: Convert to fraction form
1,981,625.74/2,972,422.71 = 1,177,582.48/x - Step 3: Cross multiply
1,981,625.74x = 2,972,422.71 × 1,177,582.48 - Step 4: Simplify right side
1,981,625.74x = 3,500,272,899,019.06 - Step 5: Solve for x
x = 3,500,272,899,019.06/1,981,625.74 - Step 6: Final answer
x = 1,766,364.27
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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.