Finding the Fourth Proportional to 1,497,589.74, 2,066,643.45 and 818,531.10
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Solution
The fourth proportional to 1,497,589.74, 2,066,643.45 and 818,531.10 is: 1,129,556.31
Step by Step Solution
- Step 1: Write the proportion equation
1,497,589.74 : 2,066,643.45 = 818,531.10 : x - Step 2: Convert to fraction form
1,497,589.74/2,066,643.45 = 818,531.10/x - Step 3: Cross multiply
1,497,589.74x = 2,066,643.45 × 818,531.10 - Step 4: Simplify right side
1,497,589.74x = 1,691,611,936,436.30 - Step 5: Solve for x
x = 1,691,611,936,436.30/1,497,589.74 - Step 6: Final answer
x = 1,129,556.31
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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.