Finding the Fourth Proportional to 3,317,441.76, 4,976,153.84 and 921,287.52
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Solution
The fourth proportional to 3,317,441.76, 4,976,153.84 and 921,287.52 is: 1,381,928.84
Step by Step Solution
- Step 1: Write the proportion equation
3,317,441.76 : 4,976,153.84 = 921,287.52 : x - Step 2: Convert to fraction form
3,317,441.76/4,976,153.84 = 921,287.52/x - Step 3: Cross multiply
3,317,441.76x = 4,976,153.84 × 921,287.52 - Step 4: Simplify right side
3,317,441.76x = 4,584,468,430,392.08 - Step 5: Solve for x
x = 4,584,468,430,392.08/3,317,441.76 - Step 6: Final answer
x = 1,381,928.84
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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.