Finding the Fourth Proportional to 5,338,192.50, 7,366,709.61 and 2,890,806.26
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Solution
The fourth proportional to 5,338,192.50, 7,366,709.61 and 2,890,806.26 is: 3,989,314.78
Step by Step Solution
- Step 1: Write the proportion equation
5,338,192.50 : 7,366,709.61 = 2,890,806.26 : x - Step 2: Convert to fraction form
5,338,192.50/7,366,709.61 = 2,890,806.26/x - Step 3: Cross multiply
5,338,192.50x = 7,366,709.61 × 2,890,806.26 - Step 4: Simplify right side
5,338,192.50x = 21,295,730,219,356.61 - Step 5: Solve for x
x = 21,295,730,219,356.61/5,338,192.50 - Step 6: Final answer
x = 3,989,314.78
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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.