Finding the Fourth Proportional to 1,574,110.23, 2,172,104.62 and 885,770.09
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Solution
The fourth proportional to 1,574,110.23, 2,172,104.62 and 885,770.09 is: 1,222,268.47
Step by Step Solution
- Step 1: Write the proportion equation
1,574,110.23 : 2,172,104.62 = 885,770.09 : x - Step 2: Convert to fraction form
1,574,110.23/2,172,104.62 = 885,770.09/x - Step 3: Cross multiply
1,574,110.23x = 2,172,104.62 × 885,770.09 - Step 4: Simplify right side
1,574,110.23x = 1,923,985,304,746.82 - Step 5: Solve for x
x = 1,923,985,304,746.82/1,574,110.23 - Step 6: Final answer
x = 1,222,268.47
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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.