Finding the Fourth Proportional to 1,566,351.54, 2,161,514.16 and 921,807
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Solution
The fourth proportional to 1,566,351.54, 2,161,514.16 and 921,807 is: 1,272,063.67
Step by Step Solution
- Step 1: Write the proportion equation
1,566,351.54 : 2,161,514.16 = 921,807 : x - Step 2: Convert to fraction form
1,566,351.54/2,161,514.16 = 921,807/x - Step 3: Cross multiply
1,566,351.54x = 2,161,514.16 × 921,807 - Step 4: Simplify right side
1,566,351.54x = 1,992,498,883,287.12 - Step 5: Solve for x
x = 1,992,498,883,287.12/1,566,351.54 - Step 6: Final answer
x = 1,272,063.67
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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.