Finding the Fourth Proportional to 5,638,629.67, 7,781,316.63 and 3,060,310.48
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Solution
The fourth proportional to 5,638,629.67, 7,781,316.63 and 3,060,310.48 is: 4,223,232.63
Step by Step Solution
- Step 1: Write the proportion equation
5,638,629.67 : 7,781,316.63 = 3,060,310.48 : x - Step 2: Convert to fraction form
5,638,629.67/7,781,316.63 = 3,060,310.48/x - Step 3: Cross multiply
5,638,629.67x = 7,781,316.63 × 3,060,310.48 - Step 4: Simplify right side
5,638,629.67x = 23,813,244,792,080.70 - Step 5: Solve for x
x = 23,813,244,792,080.70/5,638,629.67 - Step 6: Final answer
x = 4,223,232.63
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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.