Finding the Fourth Proportional to 4,396,128.68, 6,068,735.40 and 2,946,770.96
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Solution
The fourth proportional to 4,396,128.68, 6,068,735.40 and 2,946,770.96 is: 4,067,936.71
Step by Step Solution
- Step 1: Write the proportion equation
4,396,128.68 : 6,068,735.40 = 2,946,770.96 : x - Step 2: Convert to fraction form
4,396,128.68/6,068,735.40 = 2,946,770.96/x - Step 3: Cross multiply
4,396,128.68x = 6,068,735.40 × 2,946,770.96 - Step 4: Simplify right side
4,396,128.68x = 17,883,173,240,643.98 - Step 5: Solve for x
x = 17,883,173,240,643.98/4,396,128.68 - Step 6: Final answer
x = 4,067,936.71
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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.