Finding the Fourth Proportional to 2,861,777.40, 3,948,391.62 and 1,715,439.48
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Solution
The fourth proportional to 2,861,777.40, 3,948,391.62 and 1,715,439.48 is: 2,366,790.26
Step by Step Solution
- Step 1: Write the proportion equation
2,861,777.40 : 3,948,391.62 = 1,715,439.48 : x - Step 2: Convert to fraction form
2,861,777.40/3,948,391.62 = 1,715,439.48/x - Step 3: Cross multiply
2,861,777.40x = 3,948,391.62 × 1,715,439.48 - Step 4: Simplify right side
2,861,777.40x = 6,773,226,867,449.16 - Step 5: Solve for x
x = 6,773,226,867,449.16/2,861,777.40 - Step 6: Final answer
x = 2,366,790.26
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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.