Finding the Fourth Proportional to 1,502,512.80, 2,073,455.76 and 823,447.68
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Solution
The fourth proportional to 1,502,512.80, 2,073,455.76 and 823,447.68 is: 1,136,351.27
Step by Step Solution
- Step 1: Write the proportion equation
1,502,512.80 : 2,073,455.76 = 823,447.68 : x - Step 2: Convert to fraction form
1,502,512.80/2,073,455.76 = 823,447.68/x - Step 3: Cross multiply
1,502,512.80x = 2,073,455.76 × 823,447.68 - Step 4: Simplify right side
1,502,512.80x = 1,707,382,335,154.64 - Step 5: Solve for x
x = 1,707,382,335,154.64/1,502,512.80 - Step 6: Final answer
x = 1,136,351.27
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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.