Finding the Fourth Proportional to 1,502,699.91, 2,073,721.57 and 823,634.31
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Solution
The fourth proportional to 1,502,699.91, 2,073,721.57 and 823,634.31 is: 1,136,612.99
Step by Step Solution
- Step 1: Write the proportion equation
1,502,699.91 : 2,073,721.57 = 823,634.31 : x - Step 2: Convert to fraction form
1,502,699.91/2,073,721.57 = 823,634.31/x - Step 3: Cross multiply
1,502,699.91x = 2,073,721.57 × 823,634.31 - Step 4: Simplify right side
1,502,699.91x = 1,707,988,234,439.07 - Step 5: Solve for x
x = 1,707,988,234,439.07/1,502,699.91 - Step 6: Final answer
x = 1,136,612.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.