Finding the Fourth Proportional to 3,772,864.09, 5,207,231.45 and 2,224,033.43
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Solution
The fourth proportional to 3,772,864.09, 5,207,231.45 and 2,224,033.43 is: 3,069,566.39
Step by Step Solution
- Step 1: Write the proportion equation
3,772,864.09 : 5,207,231.45 = 2,224,033.43 : x - Step 2: Convert to fraction form
3,772,864.09/5,207,231.45 = 2,224,033.43/x - Step 3: Cross multiply
3,772,864.09x = 5,207,231.45 × 2,224,033.43 - Step 4: Simplify right side
3,772,864.09x = 11,581,056,815,152.03 - Step 5: Solve for x
x = 11,581,056,815,152.03/3,772,864.09 - Step 6: Final answer
x = 3,069,566.39
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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.