Finding the Fourth Proportional to 2,186,165.80, 3,278,471.10 and 988,661.80
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Solution
The fourth proportional to 2,186,165.80, 3,278,471.10 and 988,661.80 is: 1,482,641.04
Step by Step Solution
- Step 1: Write the proportion equation
2,186,165.80 : 3,278,471.10 = 988,661.80 : x - Step 2: Convert to fraction form
2,186,165.80/3,278,471.10 = 988,661.80/x - Step 3: Cross multiply
2,186,165.80x = 3,278,471.10 × 988,661.80 - Step 4: Simplify right side
2,186,165.80x = 3,241,299,138,973.98 - Step 5: Solve for x
x = 3,241,299,138,973.98/2,186,165.80 - Step 6: Final answer
x = 1,482,641.04
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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.