Finding the Fourth Proportional to 1,727,588.20, 2,586,716.70 and 1,354,340.20
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Solution
The fourth proportional to 1,727,588.20, 2,586,716.70 and 1,354,340.20 is: 2,027,852.71
Step by Step Solution
- Step 1: Write the proportion equation
1,727,588.20 : 2,586,716.70 = 1,354,340.20 : x - Step 2: Convert to fraction form
1,727,588.20/2,586,716.70 = 1,354,340.20/x - Step 3: Cross multiply
1,727,588.20x = 2,586,716.70 × 1,354,340.20 - Step 4: Simplify right side
1,727,588.20x = 3,503,294,412,821.34 - Step 5: Solve for x
x = 3,503,294,412,821.34/1,727,588.20 - Step 6: Final answer
x = 2,027,852.71
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1.5x scale
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.