Finding the Fourth Proportional to 4,619,625.16, 6,929,361.60 and 1,381,170.28
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Solution
The fourth proportional to 4,619,625.16, 6,929,361.60 and 1,381,170.28 is: 2,071,732.66
Step by Step Solution
- Step 1: Write the proportion equation
4,619,625.16 : 6,929,361.60 = 1,381,170.28 : x - Step 2: Convert to fraction form
4,619,625.16/6,929,361.60 = 1,381,170.28/x - Step 3: Cross multiply
4,619,625.16x = 6,929,361.60 × 1,381,170.28 - Step 4: Simplify right side
4,619,625.16x = 9,570,628,301,293.25 - Step 5: Solve for x
x = 9,570,628,301,293.25/4,619,625.16 - Step 6: Final answer
x = 2,071,732.66
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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.