Finding the Fourth Proportional to 1,981,027.08, 2,972,721.10 and 718,953.08
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Solution
The fourth proportional to 1,981,027.08, 2,972,721.10 and 718,953.08 is: 1,078,858.04
Step by Step Solution
- Step 1: Write the proportion equation
1,981,027.08 : 2,972,721.10 = 718,953.08 : x - Step 2: Convert to fraction form
1,981,027.08/2,972,721.10 = 718,953.08/x - Step 3: Cross multiply
1,981,027.08x = 2,972,721.10 × 718,953.08 - Step 4: Simplify right side
1,981,027.08x = 2,137,246,990,825.99 - Step 5: Solve for x
x = 2,137,246,990,825.99/1,981,027.08 - Step 6: Final answer
x = 1,078,858.04
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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.