Finding the Fourth Proportional to 2,567,446.80, 3,543,187.28 and 1,421,527.12
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Solution
The fourth proportional to 2,567,446.80, 3,543,187.28 and 1,421,527.12 is: 1,961,768.72
Step by Step Solution
- Step 1: Write the proportion equation
2,567,446.80 : 3,543,187.28 = 1,421,527.12 : x - Step 2: Convert to fraction form
2,567,446.80/3,543,187.28 = 1,421,527.12/x - Step 3: Cross multiply
2,567,446.80x = 3,543,187.28 × 1,421,527.12 - Step 4: Simplify right side
2,567,446.80x = 5,036,736,809,759.03 - Step 5: Solve for x
x = 5,036,736,809,759.03/2,567,446.80 - Step 6: Final answer
x = 1,961,768.72
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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.