Finding the Fourth Proportional to 5,646,647.46, 7,792,416.36 and 3,068,342.13
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Solution
The fourth proportional to 5,646,647.46, 7,792,416.36 and 3,068,342.13 is: 4,234,335.43
Step by Step Solution
- Step 1: Write the proportion equation
5,646,647.46 : 7,792,416.36 = 3,068,342.13 : x - Step 2: Convert to fraction form
5,646,647.46/7,792,416.36 = 3,068,342.13/x - Step 3: Cross multiply
5,646,647.46x = 7,792,416.36 × 3,068,342.13 - Step 4: Simplify right side
5,646,647.46x = 23,909,799,411,889.25 - Step 5: Solve for x
x = 23,909,799,411,889.25/5,646,647.46 - Step 6: Final answer
x = 4,234,335.43
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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.