Finding the Fourth Proportional to 3,292,212.80, 4,931,320.80 and 2,732,340.80
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Solution
The fourth proportional to 3,292,212.80, 4,931,320.80 and 2,732,340.80 is: 4,092,702.94
Step by Step Solution
- Step 1: Write the proportion equation
3,292,212.80 : 4,931,320.80 = 2,732,340.80 : x - Step 2: Convert to fraction form
3,292,212.80/4,931,320.80 = 2,732,340.80/x - Step 3: Cross multiply
3,292,212.80x = 4,931,320.80 × 2,732,340.80 - Step 4: Simplify right side
3,292,212.80x = 13,474,049,019,728.64 - Step 5: Solve for x
x = 13,474,049,019,728.64/3,292,212.80 - Step 6: Final answer
x = 4,092,702.94
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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.