Finding the Fourth Proportional to 2,186,028.48, 3,015,924.24 and 1,267,750.92
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Solution
The fourth proportional to 2,186,028.48, 3,015,924.24 and 1,267,750.92 is: 1,749,035.19
Step by Step Solution
- Step 1: Write the proportion equation
2,186,028.48 : 3,015,924.24 = 1,267,750.92 : x - Step 2: Convert to fraction form
2,186,028.48/3,015,924.24 = 1,267,750.92/x - Step 3: Cross multiply
2,186,028.48x = 3,015,924.24 × 1,267,750.92 - Step 4: Simplify right side
2,186,028.48x = 3,823,440,729,910.30 - Step 5: Solve for x
x = 3,823,440,729,910.30/2,186,028.48 - Step 6: Final answer
x = 1,749,035.19
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1.5x scale
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.