Finding the Fourth Proportional to 1,611,367.75, 2,223,702.12 and 876,328.75
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Solution
The fourth proportional to 1,611,367.75, 2,223,702.12 and 876,328.75 is: 1,209,341.63
Step by Step Solution
- Step 1: Write the proportion equation
1,611,367.75 : 2,223,702.12 = 876,328.75 : x - Step 2: Convert to fraction form
1,611,367.75/2,223,702.12 = 876,328.75/x - Step 3: Cross multiply
1,611,367.75x = 2,223,702.12 × 876,328.75 - Step 4: Simplify right side
1,611,367.75x = 1,948,694,099,191.95 - Step 5: Solve for x
x = 1,948,694,099,191.95/1,611,367.75 - Step 6: Final answer
x = 1,209,341.63
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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.