Finding the Fourth Proportional to 2,749,895.22, 4,124,367.16 and 728,168.18
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Solution
The fourth proportional to 2,749,895.22, 4,124,367.16 and 728,168.18 is: 1,092,126.31
Step by Step Solution
- Step 1: Write the proportion equation
2,749,895.22 : 4,124,367.16 = 728,168.18 : x - Step 2: Convert to fraction form
2,749,895.22/4,124,367.16 = 728,168.18/x - Step 3: Cross multiply
2,749,895.22x = 4,124,367.16 × 728,168.18 - Step 4: Simplify right side
2,749,895.22x = 3,003,232,933,402.22 - Step 5: Solve for x
x = 3,003,232,933,402.22/2,749,895.22 - Step 6: Final answer
x = 1,092,126.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.