Finding the Fourth Proportional to 2,177,786.65, 3,266,467.12 and 661,482.75
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Solution
The fourth proportional to 2,177,786.65, 3,266,467.12 and 661,482.75 is: 992,159.47
Step by Step Solution
- Step 1: Write the proportion equation
2,177,786.65 : 3,266,467.12 = 661,482.75 : x - Step 2: Convert to fraction form
2,177,786.65/3,266,467.12 = 661,482.75/x - Step 3: Cross multiply
2,177,786.65x = 3,266,467.12 × 661,482.75 - Step 4: Simplify right side
2,177,786.65x = 2,160,711,633,682.43 - Step 5: Solve for x
x = 2,160,711,633,682.43/2,177,786.65 - Step 6: Final answer
x = 992,159.47
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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.