Finding the Fourth Proportional to 2,414,290.88, 3,330,472.08 and 1,639,961.60
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Solution
The fourth proportional to 2,414,290.88, 3,330,472.08 and 1,639,961.60 is: 2,262,298.37
Step by Step Solution
- Step 1: Write the proportion equation
2,414,290.88 : 3,330,472.08 = 1,639,961.60 : x - Step 2: Convert to fraction form
2,414,290.88/3,330,472.08 = 1,639,961.60/x - Step 3: Cross multiply
2,414,290.88x = 3,330,472.08 × 1,639,961.60 - Step 4: Simplify right side
2,414,290.88x = 5,461,846,321,072.13 - Step 5: Solve for x
x = 5,461,846,321,072.13/2,414,290.88 - Step 6: Final answer
x = 2,262,298.37
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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.