Finding the Fourth Proportional to 3,815,687.70, 5,264,500.77 and 2,287,237.14
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Solution
The fourth proportional to 3,815,687.70, 5,264,500.77 and 2,287,237.14 is: 3,155,698.95
Step by Step Solution
- Step 1: Write the proportion equation
3,815,687.70 : 5,264,500.77 = 2,287,237.14 : x - Step 2: Convert to fraction form
3,815,687.70/5,264,500.77 = 2,287,237.14/x - Step 3: Cross multiply
3,815,687.70x = 5,264,500.77 × 2,287,237.14 - Step 4: Simplify right side
3,815,687.70x = 12,041,161,684,702.60 - Step 5: Solve for x
x = 12,041,161,684,702.60/3,815,687.70 - Step 6: Final answer
x = 3,155,698.95
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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.