Finding the Fourth Proportional to 6,810,338.23, 10,205,947.61 and 3,728,405.99
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Solution
The fourth proportional to 6,810,338.23, 10,205,947.61 and 3,728,405.99 is: 5,587,375.38
Step by Step Solution
- Step 1: Write the proportion equation
6,810,338.23 : 10,205,947.61 = 3,728,405.99 : x - Step 2: Convert to fraction form
6,810,338.23/10,205,947.61 = 3,728,405.99/x - Step 3: Cross multiply
6,810,338.23x = 10,205,947.61 × 3,728,405.99 - Step 4: Simplify right side
6,810,338.23x = 38,051,916,176,680.37 - Step 5: Solve for x
x = 38,051,916,176,680.37/6,810,338.23 - Step 6: Final answer
x = 5,587,375.38
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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.