Finding the Fourth Proportional to 3,896,601.63, 5,377,318.02 and 2,177,722.08
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Solution
The fourth proportional to 3,896,601.63, 5,377,318.02 and 2,177,722.08 is: 3,005,260.81
Step by Step Solution
- Step 1: Write the proportion equation
3,896,601.63 : 5,377,318.02 = 2,177,722.08 : x - Step 2: Convert to fraction form
3,896,601.63/5,377,318.02 = 2,177,722.08/x - Step 3: Cross multiply
3,896,601.63x = 5,377,318.02 × 2,177,722.08 - Step 4: Simplify right side
3,896,601.63x = 11,710,304,183,335.88 - Step 5: Solve for x
x = 11,710,304,183,335.88/3,896,601.63 - Step 6: Final answer
x = 3,005,260.81
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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.