Finding the Fourth Proportional to 2,085,627.75, 2,878,166.30 and 1,131,771.75
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Solution
The fourth proportional to 2,085,627.75, 2,878,166.30 and 1,131,771.75 is: 1,561,845.02
Step by Step Solution
- Step 1: Write the proportion equation
2,085,627.75 : 2,878,166.30 = 1,131,771.75 : x - Step 2: Convert to fraction form
2,085,627.75/2,878,166.30 = 1,131,771.75/x - Step 3: Cross multiply
2,085,627.75x = 2,878,166.30 × 1,131,771.75 - Step 4: Simplify right side
2,085,627.75x = 3,257,427,304,483.17 - Step 5: Solve for x
x = 3,257,427,304,483.17/2,085,627.75 - Step 6: Final answer
x = 1,561,845.02
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1.5x scale
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.