Finding the Fourth Proportional to 5,393,840.90, 8,085,318.15 and 2,694,013.70
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Solution
The fourth proportional to 5,393,840.90, 8,085,318.15 and 2,694,013.70 is: 4,038,301.88
Step by Step Solution
- Step 1: Write the proportion equation
5,393,840.90 : 8,085,318.15 = 2,694,013.70 : x - Step 2: Convert to fraction form
5,393,840.90/8,085,318.15 = 2,694,013.70/x - Step 3: Cross multiply
5,393,840.90x = 8,085,318.15 × 2,694,013.70 - Step 4: Simplify right side
5,393,840.90x = 21,781,957,864,958.66 - Step 5: Solve for x
x = 21,781,957,864,958.66/5,393,840.90 - Step 6: Final answer
x = 4,038,301.88
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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.