Finding the Fourth Proportional to 1,471,163.46, 2,031,111.32 and 1,166,470.62
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Solution
The fourth proportional to 1,471,163.46, 2,031,111.32 and 1,166,470.62 is: 1,610,447.61
Step by Step Solution
- Step 1: Write the proportion equation
1,471,163.46 : 2,031,111.32 = 1,166,470.62 : x - Step 2: Convert to fraction form
1,471,163.46/2,031,111.32 = 1,166,470.62/x - Step 3: Cross multiply
1,471,163.46x = 2,031,111.32 × 1,166,470.62 - Step 4: Simplify right side
1,471,163.46x = 2,369,231,674,897.07 - Step 5: Solve for x
x = 2,369,231,674,897.07/1,471,163.46 - Step 6: Final answer
x = 1,610,447.61
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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.