Finding the Fourth Proportional to 3,176,927.25, 4,384,188.35 and 1,726,626.09
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Solution
The fourth proportional to 3,176,927.25, 4,384,188.35 and 1,726,626.09 is: 2,382,759.63
Step by Step Solution
- Step 1: Write the proportion equation
3,176,927.25 : 4,384,188.35 = 1,726,626.09 : x - Step 2: Convert to fraction form
3,176,927.25/4,384,188.35 = 1,726,626.09/x - Step 3: Cross multiply
3,176,927.25x = 4,384,188.35 × 1,726,626.09 - Step 4: Simplify right side
3,176,927.25x = 7,569,853,988,584.05 - Step 5: Solve for x
x = 7,569,853,988,584.05/3,176,927.25 - Step 6: Final answer
x = 2,382,759.63
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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.