Finding the Fourth Proportional to 2,841,168.28, 4,261,971.12 and 947,906.68
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Solution
The fourth proportional to 2,841,168.28, 4,261,971.12 and 947,906.68 is: 1,421,932.99
Step by Step Solution
- Step 1: Write the proportion equation
2,841,168.28 : 4,261,971.12 = 947,906.68 : x - Step 2: Convert to fraction form
2,841,168.28/4,261,971.12 = 947,906.68/x - Step 3: Cross multiply
2,841,168.28x = 4,261,971.12 × 947,906.68 - Step 4: Simplify right side
2,841,168.28x = 4,039,950,894,615.08 - Step 5: Solve for x
x = 4,039,950,894,615.08/2,841,168.28 - Step 6: Final answer
x = 1,421,932.99
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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.