Finding the Fourth Proportional to 3,160,772.74, 4,739,239.11 and 1,239,381.94
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Solution
The fourth proportional to 3,160,772.74, 4,739,239.11 and 1,239,381.94 is: 1,858,320.04
Step by Step Solution
- Step 1: Write the proportion equation
3,160,772.74 : 4,739,239.11 = 1,239,381.94 : x - Step 2: Convert to fraction form
3,160,772.74/4,739,239.11 = 1,239,381.94/x - Step 3: Cross multiply
3,160,772.74x = 4,739,239.11 × 1,239,381.94 - Step 4: Simplify right side
3,160,772.74x = 5,873,727,332,382.57 - Step 5: Solve for x
x = 5,873,727,332,382.57/3,160,772.74 - Step 6: Final answer
x = 1,858,320.04
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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.