Finding the Fourth Proportional to 3,378,129.99, 4,661,831.93 and 1,829,392.58
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Solution
The fourth proportional to 3,378,129.99, 4,661,831.93 and 1,829,392.58 is: 2,524,568.54
Step by Step Solution
- Step 1: Write the proportion equation
3,378,129.99 : 4,661,831.93 = 1,829,392.58 : x - Step 2: Convert to fraction form
3,378,129.99/4,661,831.93 = 1,829,392.58/x - Step 3: Cross multiply
3,378,129.99x = 4,661,831.93 × 1,829,392.58 - Step 4: Simplify right side
3,378,129.99x = 8,528,320,709,492.96 - Step 5: Solve for x
x = 8,528,320,709,492.96/3,378,129.99 - Step 6: Final answer
x = 2,524,568.54
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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.