Finding the Fourth Proportional to 4,825,808.30, 7,238,708.37 and 1,231,574.99
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Solution
The fourth proportional to 4,825,808.30, 7,238,708.37 and 1,231,574.99 is: 1,847,361.44
Step by Step Solution
- Step 1: Write the proportion equation
4,825,808.30 : 7,238,708.37 = 1,231,574.99 : x - Step 2: Convert to fraction form
4,825,808.30/7,238,708.37 = 1,231,574.99/x - Step 3: Cross multiply
4,825,808.30x = 7,238,708.37 × 1,231,574.99 - Step 4: Simplify right side
4,825,808.30x = 8,915,012,152,202.13 - Step 5: Solve for x
x = 8,915,012,152,202.13/4,825,808.30 - Step 6: Final answer
x = 1,847,361.44
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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.