Finding the Fourth Proportional to 2,133,746.62, 2,944,839.96 and 1,399,318.84
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Solution
The fourth proportional to 2,133,746.62, 2,944,839.96 and 1,399,318.84 is: 1,931,236.82
Step by Step Solution
- Step 1: Write the proportion equation
2,133,746.62 : 2,944,839.96 = 1,399,318.84 : x - Step 2: Convert to fraction form
2,133,746.62/2,944,839.96 = 1,399,318.84/x - Step 3: Cross multiply
2,133,746.62x = 2,944,839.96 × 1,399,318.84 - Step 4: Simplify right side
2,133,746.62x = 4,120,770,036,812.85 - Step 5: Solve for x
x = 4,120,770,036,812.85/2,133,746.62 - Step 6: Final answer
x = 1,931,236.82
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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.