Finding the Fourth Proportional to 2,701,497.40, 3,728,158.50 and 1,540,115.40
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Solution
The fourth proportional to 2,701,497.40, 3,728,158.50 and 1,540,115.40 is: 2,125,411.75
Step by Step Solution
- Step 1: Write the proportion equation
2,701,497.40 : 3,728,158.50 = 1,540,115.40 : x - Step 2: Convert to fraction form
2,701,497.40/3,728,158.50 = 1,540,115.40/x - Step 3: Cross multiply
2,701,497.40x = 3,728,158.50 × 1,540,115.40 - Step 4: Simplify right side
2,701,497.40x = 5,741,794,319,490.90 - Step 5: Solve for x
x = 5,741,794,319,490.90/2,701,497.40 - Step 6: Final answer
x = 2,125,411.75
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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.