Finding the Fourth Proportional to 2,727,665.96, 4,090,313.09 and 781,966.17
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Solution
The fourth proportional to 2,727,665.96, 4,090,313.09 and 781,966.17 is: 1,172,609.30
Step by Step Solution
- Step 1: Write the proportion equation
2,727,665.96 : 4,090,313.09 = 781,966.17 : x - Step 2: Convert to fraction form
2,727,665.96/4,090,313.09 = 781,966.17/x - Step 3: Cross multiply
2,727,665.96x = 4,090,313.09 × 781,966.17 - Step 4: Simplify right side
2,727,665.96x = 3,198,486,463,043.08 - Step 5: Solve for x
x = 3,198,486,463,043.08/2,727,665.96 - Step 6: Final answer
x = 1,172,609.30
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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.