Finding the Fourth Proportional to 2,891,441.08, 3,990,212.28 and 1,602,302.96
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Solution
The fourth proportional to 2,891,441.08, 3,990,212.28 and 1,602,302.96 is: 2,211,191.16
Step by Step Solution
- Step 1: Write the proportion equation
2,891,441.08 : 3,990,212.28 = 1,602,302.96 : x - Step 2: Convert to fraction form
2,891,441.08/3,990,212.28 = 1,602,302.96/x - Step 3: Cross multiply
2,891,441.08x = 3,990,212.28 × 1,602,302.96 - Step 4: Simplify right side
2,891,441.08x = 6,393,528,947,272.35 - Step 5: Solve for x
x = 6,393,528,947,272.35/2,891,441.08 - Step 6: Final answer
x = 2,211,191.16
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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.