Finding the Fourth Proportional to 2,409,868.80, 3,612,281.04 and 811,879.68
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Solution
The fourth proportional to 2,409,868.80, 3,612,281.04 and 811,879.68 is: 1,216,969.81
Step by Step Solution
- Step 1: Write the proportion equation
2,409,868.80 : 3,612,281.04 = 811,879.68 : x - Step 2: Convert to fraction form
2,409,868.80/3,612,281.04 = 811,879.68/x - Step 3: Cross multiply
2,409,868.80x = 3,612,281.04 × 811,879.68 - Step 4: Simplify right side
2,409,868.80x = 2,932,737,574,825.27 - Step 5: Solve for x
x = 2,932,737,574,825.27/2,409,868.80 - Step 6: Final answer
x = 1,216,969.81
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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.