Finding the Fourth Proportional to 2,215,601.08, 3,057,542.88 and 1,235,602.08
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Solution
The fourth proportional to 2,215,601.08, 3,057,542.88 and 1,235,602.08 is: 1,705,138.34
Step by Step Solution
- Step 1: Write the proportion equation
2,215,601.08 : 3,057,542.88 = 1,235,602.08 : x - Step 2: Convert to fraction form
2,215,601.08/3,057,542.88 = 1,235,602.08/x - Step 3: Cross multiply
2,215,601.08x = 3,057,542.88 × 1,235,602.08 - Step 4: Simplify right side
2,215,601.08x = 3,777,906,342,217.19 - Step 5: Solve for x
x = 3,777,906,342,217.19/2,215,601.08 - Step 6: Final answer
x = 1,705,138.34
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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.