Finding the Fourth Proportional to 1,506,578.12, 2,079,092.82 and 818,263.42
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Solution
The fourth proportional to 1,506,578.12, 2,079,092.82 and 818,263.42 is: 1,129,211.67
Step by Step Solution
- Step 1: Write the proportion equation
1,506,578.12 : 2,079,092.82 = 818,263.42 : x - Step 2: Convert to fraction form
1,506,578.12/2,079,092.82 = 818,263.42/x - Step 3: Cross multiply
1,506,578.12x = 2,079,092.82 × 818,263.42 - Step 4: Simplify right side
1,506,578.12x = 1,701,245,601,390.64 - Step 5: Solve for x
x = 1,701,245,601,390.64/1,506,578.12 - Step 6: Final answer
x = 1,129,211.67
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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.