Finding the Fourth Proportional to 3,935,953.08, 5,431,625.10 and 2,282,420.70
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Solution
The fourth proportional to 3,935,953.08, 5,431,625.10 and 2,282,420.70 is: 3,149,746.28
Step by Step Solution
- Step 1: Write the proportion equation
3,935,953.08 : 5,431,625.10 = 2,282,420.70 : x - Step 2: Convert to fraction form
3,935,953.08/5,431,625.10 = 2,282,420.70/x - Step 3: Cross multiply
3,935,953.08x = 5,431,625.10 × 2,282,420.70 - Step 4: Simplify right side
3,935,953.08x = 12,397,253,562,879.57 - Step 5: Solve for x
x = 12,397,253,562,879.57/3,935,953.08 - Step 6: Final answer
x = 3,149,746.28
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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.