Finding the Fourth Proportional to 1,811,769.42, 2,717,583.12 and 613,691.70
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Solution
The fourth proportional to 1,811,769.42, 2,717,583.12 and 613,691.70 is: 920,513.50
Step by Step Solution
- Step 1: Write the proportion equation
1,811,769.42 : 2,717,583.12 = 613,691.70 : x - Step 2: Convert to fraction form
1,811,769.42/2,717,583.12 = 613,691.70/x - Step 3: Cross multiply
1,811,769.42x = 2,717,583.12 × 613,691.70 - Step 4: Simplify right side
1,811,769.42x = 1,667,758,204,804.10 - Step 5: Solve for x
x = 1,667,758,204,804.10/1,811,769.42 - Step 6: Final answer
x = 920,513.50
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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.