Finding the Fourth Proportional to 2,163,391.65, 3,245,618.85 and 743,468.13
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Solution
The fourth proportional to 2,163,391.65, 3,245,618.85 and 743,468.13 is: 1,115,384.81
Step by Step Solution
- Step 1: Write the proportion equation
2,163,391.65 : 3,245,618.85 = 743,468.13 : x - Step 2: Convert to fraction form
2,163,391.65/3,245,618.85 = 743,468.13/x - Step 3: Cross multiply
2,163,391.65x = 3,245,618.85 × 743,468.13 - Step 4: Simplify right side
2,163,391.65x = 2,413,014,177,102.25 - Step 5: Solve for x
x = 2,413,014,177,102.25/2,163,391.65 - Step 6: Final answer
x = 1,115,384.81
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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.