Finding the Fourth Proportional to 3,874,962.77, 5,348,188.79 and 2,565,905.97
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Solution
The fourth proportional to 3,874,962.77, 5,348,188.79 and 2,565,905.97 is: 3,541,440.36
Step by Step Solution
- Step 1: Write the proportion equation
3,874,962.77 : 5,348,188.79 = 2,565,905.97 : x - Step 2: Convert to fraction form
3,874,962.77/5,348,188.79 = 2,565,905.97/x - Step 3: Cross multiply
3,874,962.77x = 5,348,188.79 × 2,565,905.97 - Step 4: Simplify right side
3,874,962.77x = 13,722,949,544,948.08 - Step 5: Solve for x
x = 13,722,949,544,948.08/3,874,962.77 - Step 6: Final answer
x = 3,541,440.36
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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.