Finding the Fourth Proportional to 4,954,053.62, 6,836,618.21 and 2,778,713.03
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Solution
The fourth proportional to 4,954,053.62, 6,836,618.21 and 2,778,713.03 is: 3,834,637.56
Step by Step Solution
- Step 1: Write the proportion equation
4,954,053.62 : 6,836,618.21 = 2,778,713.03 : x - Step 2: Convert to fraction form
4,954,053.62/6,836,618.21 = 2,778,713.03/x - Step 3: Cross multiply
4,954,053.62x = 6,836,618.21 × 2,778,713.03 - Step 4: Simplify right side
4,954,053.62x = 18,997,000,053,185.62 - Step 5: Solve for x
x = 18,997,000,053,185.62/4,954,053.62 - Step 6: Final answer
x = 3,834,637.56
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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.