Finding the Fourth Proportional to 1,789,727.80, 2,469,824.73 and 984,911.80
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Solution
The fourth proportional to 1,789,727.80, 2,469,824.73 and 984,911.80 is: 1,359,178.48
Step by Step Solution
- Step 1: Write the proportion equation
1,789,727.80 : 2,469,824.73 = 984,911.80 : x - Step 2: Convert to fraction form
1,789,727.80/2,469,824.73 = 984,911.80/x - Step 3: Cross multiply
1,789,727.80x = 2,469,824.73 × 984,911.80 - Step 4: Simplify right side
1,789,727.80x = 2,432,559,503,235.13 - Step 5: Solve for x
x = 2,432,559,503,235.13/1,789,727.80 - Step 6: Final answer
x = 1,359,178.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.