Finding the Fourth Proportional to 4,220,880.14, 5,824,805.10 and 2,287,193.06
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Solution
The fourth proportional to 4,220,880.14, 5,824,805.10 and 2,287,193.06 is: 3,156,321.28
Step by Step Solution
- Step 1: Write the proportion equation
4,220,880.14 : 5,824,805.10 = 2,287,193.06 : x - Step 2: Convert to fraction form
4,220,880.14/5,824,805.10 = 2,287,193.06/x - Step 3: Cross multiply
4,220,880.14x = 5,824,805.10 × 2,287,193.06 - Step 4: Simplify right side
4,220,880.14x = 13,322,453,800,572.61 - Step 5: Solve for x
x = 13,322,453,800,572.61/4,220,880.14 - Step 6: Final answer
x = 3,156,321.28
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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.