Finding the Fourth Proportional to 2,177,904.24, 3,266,855.34 and 661,581.28
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Solution
The fourth proportional to 2,177,904.24, 3,266,855.34 and 661,581.28 is: 992,371.61
Step by Step Solution
- Step 1: Write the proportion equation
2,177,904.24 : 3,266,855.34 = 661,581.28 : x - Step 2: Convert to fraction form
2,177,904.24/3,266,855.34 = 661,581.28/x - Step 3: Cross multiply
2,177,904.24x = 3,266,855.34 × 661,581.28 - Step 4: Simplify right side
2,177,904.24x = 2,161,290,337,412.04 - Step 5: Solve for x
x = 2,161,290,337,412.04/2,177,904.24 - Step 6: Final answer
x = 992,371.61
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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.