Finding the Fourth Proportional to 2,872,631.97, 3,964,591.26 and 1,649,320.95
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Solution
The fourth proportional to 2,872,631.97, 3,964,591.26 and 1,649,320.95 is: 2,276,269.11
Step by Step Solution
- Step 1: Write the proportion equation
2,872,631.97 : 3,964,591.26 = 1,649,320.95 : x - Step 2: Convert to fraction form
2,872,631.97/3,964,591.26 = 1,649,320.95/x - Step 3: Cross multiply
2,872,631.97x = 3,964,591.26 × 1,649,320.95 - Step 4: Simplify right side
2,872,631.97x = 6,538,883,423,304.90 - Step 5: Solve for x
x = 6,538,883,423,304.90/2,872,631.97 - Step 6: Final answer
x = 2,276,269.11
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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.