Finding the Fourth Proportional to 3,314,982.70, 4,972,474.05 and 3,173,265.10
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Solution
The fourth proportional to 3,314,982.70, 4,972,474.05 and 3,173,265.10 is: 4,759,897.65
Step by Step Solution
- Step 1: Write the proportion equation
3,314,982.70 : 4,972,474.05 = 3,173,265.10 : x - Step 2: Convert to fraction form
3,314,982.70/4,972,474.05 = 3,173,265.10/x - Step 3: Cross multiply
3,314,982.70x = 4,972,474.05 × 3,173,265.10 - Step 4: Simplify right side
3,314,982.70x = 15,778,978,363,520.65 - Step 5: Solve for x
x = 15,778,978,363,520.65/3,314,982.70 - Step 6: Final answer
x = 4,759,897.65
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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.