Finding the Fourth Proportional to 3,293,854.80, 4,940,782.20 and 1,699,531.80
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Solution
The fourth proportional to 3,293,854.80, 4,940,782.20 and 1,699,531.80 is: 2,549,297.70
Step by Step Solution
- Step 1: Write the proportion equation
3,293,854.80 : 4,940,782.20 = 1,699,531.80 : x - Step 2: Convert to fraction form
3,293,854.80/4,940,782.20 = 1,699,531.80/x - Step 3: Cross multiply
3,293,854.80x = 4,940,782.20 × 1,699,531.80 - Step 4: Simplify right side
3,293,854.80x = 8,397,016,465,773.96 - Step 5: Solve for x
x = 8,397,016,465,773.96/3,293,854.80 - Step 6: Final answer
x = 2,549,297.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.