Finding the Fourth Proportional to 1,592,864.73, 2,389,646.79 and 1,170,861.21
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Solution
The fourth proportional to 1,592,864.73, 2,389,646.79 and 1,170,861.21 is: 1,756,548.86
Step by Step Solution
- Step 1: Write the proportion equation
1,592,864.73 : 2,389,646.79 = 1,170,861.21 : x - Step 2: Convert to fraction form
1,592,864.73/2,389,646.79 = 1,170,861.21/x - Step 3: Cross multiply
1,592,864.73x = 2,389,646.79 × 1,170,861.21 - Step 4: Simplify right side
1,592,864.73x = 2,797,944,732,012.02 - Step 5: Solve for x
x = 2,797,944,732,012.02/1,592,864.73 - Step 6: Final answer
x = 1,756,548.86
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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.