Finding the Fourth Proportional to 3,915,329.67, 5,405,471.42 and 2,466,267.21
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Solution
The fourth proportional to 3,915,329.67, 5,405,471.42 and 2,466,267.21 is: 3,404,907.90
Step by Step Solution
- Step 1: Write the proportion equation
3,915,329.67 : 5,405,471.42 = 2,466,267.21 : x - Step 2: Convert to fraction form
3,915,329.67/5,405,471.42 = 2,466,267.21/x - Step 3: Cross multiply
3,915,329.67x = 5,405,471.42 × 2,466,267.21 - Step 4: Simplify right side
3,915,329.67x = 13,331,336,905,406.80 - Step 5: Solve for x
x = 13,331,336,905,406.80/3,915,329.67 - Step 6: Final answer
x = 3,404,907.90
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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.