Finding the Fourth Proportional to 5,356,512.11, 7,393,163.69 and 3,521,139.95
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Solution
The fourth proportional to 5,356,512.11, 7,393,163.69 and 3,521,139.95 is: 4,859,946.83
Step by Step Solution
- Step 1: Write the proportion equation
5,356,512.11 : 7,393,163.69 = 3,521,139.95 : x - Step 2: Convert to fraction form
5,356,512.11/7,393,163.69 = 3,521,139.95/x - Step 3: Cross multiply
5,356,512.11x = 7,393,163.69 × 3,521,139.95 - Step 4: Simplify right side
5,356,512.11x = 26,032,364,025,748.42 - Step 5: Solve for x
x = 26,032,364,025,748.42/5,356,512.11 - Step 6: Final answer
x = 4,859,946.83
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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.