Finding the Fourth Proportional to 3,949,117.80, 5,923,676.70 and 2,242,601.70
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Solution
The fourth proportional to 3,949,117.80, 5,923,676.70 and 2,242,601.70 is: 3,363,902.55
Step by Step Solution
- Step 1: Write the proportion equation
3,949,117.80 : 5,923,676.70 = 2,242,601.70 : x - Step 2: Convert to fraction form
3,949,117.80/5,923,676.70 = 2,242,601.70/x - Step 3: Cross multiply
3,949,117.80x = 5,923,676.70 × 2,242,601.70 - Step 4: Simplify right side
3,949,117.80x = 13,284,447,437,670.39 - Step 5: Solve for x
x = 13,284,447,437,670.39/3,949,117.80 - Step 6: Final answer
x = 3,363,902.55
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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.