Finding the Fourth Proportional to 2,177,532.65, 3,266,087.79 and 661,228.71
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Solution
The fourth proportional to 2,177,532.65, 3,266,087.79 and 661,228.71 is: 991,778.94
Step by Step Solution
- Step 1: Write the proportion equation
2,177,532.65 : 3,266,087.79 = 661,228.71 : x - Step 2: Convert to fraction form
2,177,532.65/3,266,087.79 = 661,228.71/x - Step 3: Cross multiply
2,177,532.65x = 3,266,087.79 × 661,228.71 - Step 4: Simplify right side
2,177,532.65x = 2,159,631,016,128.45 - Step 5: Solve for x
x = 2,159,631,016,128.45/2,177,532.65 - Step 6: Final answer
x = 991,778.94
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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.