Finding the Fourth Proportional to 4,171,909.64, 5,756,759.28 and 2,336,112.68
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Solution
The fourth proportional to 4,171,909.64, 5,756,759.28 and 2,336,112.68 is: 3,223,568.94
Step by Step Solution
- Step 1: Write the proportion equation
4,171,909.64 : 5,756,759.28 = 2,336,112.68 : x - Step 2: Convert to fraction form
4,171,909.64/5,756,759.28 = 2,336,112.68/x - Step 3: Cross multiply
4,171,909.64x = 5,756,759.28 × 2,336,112.68 - Step 4: Simplify right side
4,171,909.64x = 13,448,438,349,715.67 - Step 5: Solve for x
x = 13,448,438,349,715.67/4,171,909.64 - Step 6: Final answer
x = 3,223,568.94
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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.