Finding the Fourth Proportional to 2,891,584.35, 3,990,409.88 and 1,602,445.95
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Solution
The fourth proportional to 2,891,584.35, 3,990,409.88 and 1,602,445.95 is: 2,211,388.42
Step by Step Solution
- Step 1: Write the proportion equation
2,891,584.35 : 3,990,409.88 = 1,602,445.95 : x - Step 2: Convert to fraction form
2,891,584.35/3,990,409.88 = 1,602,445.95/x - Step 3: Cross multiply
2,891,584.35x = 3,990,409.88 × 1,602,445.95 - Step 4: Simplify right side
2,891,584.35x = 6,394,416,143,033.76 - Step 5: Solve for x
x = 6,394,416,143,033.76/2,891,584.35 - Step 6: Final answer
x = 2,211,388.42
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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.