Finding the Fourth Proportional to 5,760,959.20, 8,639,539.14 and 1,921,723.62
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Solution
The fourth proportional to 5,760,959.20, 8,639,539.14 and 1,921,723.62 is: 2,881,951.75
Step by Step Solution
- Step 1: Write the proportion equation
5,760,959.20 : 8,639,539.14 = 1,921,723.62 : x - Step 2: Convert to fraction form
5,760,959.20/8,639,539.14 = 1,921,723.62/x - Step 3: Cross multiply
5,760,959.20x = 8,639,539.14 × 1,921,723.62 - Step 4: Simplify right side
5,760,959.20x = 16,602,806,431,252.49 - Step 5: Solve for x
x = 16,602,806,431,252.49/5,760,959.20 - Step 6: Final answer
x = 2,881,951.75
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1.5x scale
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.