Finding the Fourth Proportional to 3,966,048.57, 5,471,132.17 and 2,590,197.29
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Solution
The fourth proportional to 3,966,048.57, 5,471,132.17 and 2,590,197.29 is: 3,573,156.37
Step by Step Solution
- Step 1: Write the proportion equation
3,966,048.57 : 5,471,132.17 = 2,590,197.29 : x - Step 2: Convert to fraction form
3,966,048.57/5,471,132.17 = 2,590,197.29/x - Step 3: Cross multiply
3,966,048.57x = 5,471,132.17 × 2,590,197.29 - Step 4: Simplify right side
3,966,048.57x = 14,171,311,719,965.82 - Step 5: Solve for x
x = 14,171,311,719,965.82/3,966,048.57 - Step 6: Final answer
x = 3,573,156.37
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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.