Finding the Fourth Proportional to 4,107,574.80, 6,161,945.40 and 1,267,390.80
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Solution
The fourth proportional to 4,107,574.80, 6,161,945.40 and 1,267,390.80 is: 1,901,266.15
Step by Step Solution
- Step 1: Write the proportion equation
4,107,574.80 : 6,161,945.40 = 1,267,390.80 : x - Step 2: Convert to fraction form
4,107,574.80/6,161,945.40 = 1,267,390.80/x - Step 3: Cross multiply
4,107,574.80x = 6,161,945.40 × 1,267,390.80 - Step 4: Simplify right side
4,107,574.80x = 7,809,592,910,062.32 - Step 5: Solve for x
x = 7,809,592,910,062.32/4,107,574.80 - Step 6: Final answer
x = 1,901,266.15
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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.