Finding the Fourth Proportional to 2,192,484.62, 3,025,640.91 and 1,225,655.66
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Solution
The fourth proportional to 2,192,484.62, 3,025,640.91 and 1,225,655.66 is: 1,691,411.59
Step by Step Solution
- Step 1: Write the proportion equation
2,192,484.62 : 3,025,640.91 = 1,225,655.66 : x - Step 2: Convert to fraction form
2,192,484.62/3,025,640.91 = 1,225,655.66/x - Step 3: Cross multiply
2,192,484.62x = 3,025,640.91 × 1,225,655.66 - Step 4: Simplify right side
2,192,484.62x = 3,708,393,906,469.05 - Step 5: Solve for x
x = 3,708,393,906,469.05/2,192,484.62 - Step 6: Final answer
x = 1,691,411.59
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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.