Finding the Fourth Proportional to 2,213,448.39, 3,320,639.15 and 717,423.75
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Solution
The fourth proportional to 2,213,448.39, 3,320,639.15 and 717,423.75 is: 1,076,286.85
Step by Step Solution
- Step 1: Write the proportion equation
2,213,448.39 : 3,320,639.15 = 717,423.75 : x - Step 2: Convert to fraction form
2,213,448.39/3,320,639.15 = 717,423.75/x - Step 3: Cross multiply
2,213,448.39x = 3,320,639.15 × 717,423.75 - Step 4: Simplify right side
2,213,448.39x = 2,382,305,387,802.69 - Step 5: Solve for x
x = 2,382,305,387,802.69/2,213,448.39 - Step 6: Final answer
x = 1,076,286.85
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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.