Finding the Fourth Proportional to 2,912,398.92, 4,019,129.22 and 1,623,321.18
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Solution
The fourth proportional to 2,912,398.92, 4,019,129.22 and 1,623,321.18 is: 2,240,193.66
Step by Step Solution
- Step 1: Write the proportion equation
2,912,398.92 : 4,019,129.22 = 1,623,321.18 : x - Step 2: Convert to fraction form
2,912,398.92/4,019,129.22 = 1,623,321.18/x - Step 3: Cross multiply
2,912,398.92x = 4,019,129.22 × 1,623,321.18 - Step 4: Simplify right side
2,912,398.92x = 6,524,337,587,982.88 - Step 5: Solve for x
x = 6,524,337,587,982.88/2,912,398.92 - Step 6: Final answer
x = 2,240,193.66
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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.