Finding the Fourth Proportional to 2,929,112.29, 4,042,148.39 and 1,639,974.21
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Solution
The fourth proportional to 2,929,112.29, 4,042,148.39 and 1,639,974.21 is: 2,263,149.53
Step by Step Solution
- Step 1: Write the proportion equation
2,929,112.29 : 4,042,148.39 = 1,639,974.21 : x - Step 2: Convert to fraction form
2,929,112.29/4,042,148.39 = 1,639,974.21/x - Step 3: Cross multiply
2,929,112.29x = 4,042,148.39 × 1,639,974.21 - Step 4: Simplify right side
2,929,112.29x = 6,629,019,112,593.02 - Step 5: Solve for x
x = 6,629,019,112,593.02/2,929,112.29 - Step 6: Final answer
x = 2,263,149.53
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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.