Finding the Fourth Proportional to 5,122,197.28, 7,070,104.56 and 3,381,137.44
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Solution
The fourth proportional to 5,122,197.28, 7,070,104.56 and 3,381,137.44 is: 4,666,941.53
Step by Step Solution
- Step 1: Write the proportion equation
5,122,197.28 : 7,070,104.56 = 3,381,137.44 : x - Step 2: Convert to fraction form
5,122,197.28/7,070,104.56 = 3,381,137.44/x - Step 3: Cross multiply
5,122,197.28x = 7,070,104.56 × 3,381,137.44 - Step 4: Simplify right side
5,122,197.28x = 23,904,995,232,530.73 - Step 5: Solve for x
x = 23,904,995,232,530.73/5,122,197.28 - Step 6: Final answer
x = 4,666,941.53
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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.