Finding the Fourth Proportional to 3,569,543.42, 5,353,177.86 and 1,172,831.99
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Solution
The fourth proportional to 3,569,543.42, 5,353,177.86 and 1,172,831.99 is: 1,758,874.31
Step by Step Solution
- Step 1: Write the proportion equation
3,569,543.42 : 5,353,177.86 = 1,172,831.99 : x - Step 2: Convert to fraction form
3,569,543.42/5,353,177.86 = 1,172,831.99/x - Step 3: Cross multiply
3,569,543.42x = 5,353,177.86 × 1,172,831.99 - Step 4: Simplify right side
3,569,543.42x = 6,278,378,215,601.85 - Step 5: Solve for x
x = 6,278,378,215,601.85/3,569,543.42 - Step 6: Final answer
x = 1,758,874.31
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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.