Finding the Fourth Proportional to 1,097,391.44, 1,514,637.02 and 667,809.97
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Solution
The fourth proportional to 1,097,391.44, 1,514,637.02 and 667,809.97 is: 921,721.88
Step by Step Solution
- Step 1: Write the proportion equation
1,097,391.44 : 1,514,637.02 = 667,809.97 : x - Step 2: Convert to fraction form
1,097,391.44/1,514,637.02 = 667,809.97/x - Step 3: Cross multiply
1,097,391.44x = 1,514,637.02 × 667,809.97 - Step 4: Simplify right side
1,097,391.44x = 1,011,489,702,887.09 - Step 5: Solve for x
x = 1,011,489,702,887.09/1,097,391.44 - Step 6: Final answer
x = 921,721.88
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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.