Finding the Fourth Proportional to 4,160,414.40, 6,231,290.40 and 3,413,918.40
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Solution
The fourth proportional to 4,160,414.40, 6,231,290.40 and 3,413,918.40 is: 5,113,220.68
Step by Step Solution
- Step 1: Write the proportion equation
4,160,414.40 : 6,231,290.40 = 3,413,918.40 : x - Step 2: Convert to fraction form
4,160,414.40/6,231,290.40 = 3,413,918.40/x - Step 3: Cross multiply
4,160,414.40x = 6,231,290.40 × 3,413,918.40 - Step 4: Simplify right side
4,160,414.40x = 21,273,116,952,303.36 - Step 5: Solve for x
x = 21,273,116,952,303.36/4,160,414.40 - Step 6: Final answer
x = 5,113,220.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.