Finding the Fourth Proportional to 1,900,983.99, 2,622,478.55 and 1,683,414.39
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Solution
The fourth proportional to 1,900,983.99, 2,622,478.55 and 1,683,414.39 is: 2,322,333.14
Step by Step Solution
- Step 1: Write the proportion equation
1,900,983.99 : 2,622,478.55 = 1,683,414.39 : x - Step 2: Convert to fraction form
1,900,983.99/2,622,478.55 = 1,683,414.39/x - Step 3: Cross multiply
1,900,983.99x = 2,622,478.55 × 1,683,414.39 - Step 4: Simplify right side
1,900,983.99x = 4,414,718,120,119.26 - Step 5: Solve for x
x = 4,414,718,120,119.26/1,900,983.99 - Step 6: Final answer
x = 2,322,333.14
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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.