Finding the Fourth Proportional to 4,253,637.30, 6,374,756.62 and 3,981,231.87
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Solution
The fourth proportional to 4,253,637.30, 6,374,756.62 and 3,981,231.87 is: 5,966,513.46
Step by Step Solution
- Step 1: Write the proportion equation
4,253,637.30 : 6,374,756.62 = 3,981,231.87 : x - Step 2: Convert to fraction form
4,253,637.30/6,374,756.62 = 3,981,231.87/x - Step 3: Cross multiply
4,253,637.30x = 6,374,756.62 × 3,981,231.87 - Step 4: Simplify right side
4,253,637.30x = 25,379,384,219,037.48 - Step 5: Solve for x
x = 25,379,384,219,037.48/4,253,637.30 - Step 6: Final answer
x = 5,966,513.46
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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.