Finding the Fourth Proportional to 2,146,229.40, 3,218,177.70 and 725,554.20
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Solution
The fourth proportional to 2,146,229.40, 3,218,177.70 and 725,554.20 is: 1,087,936.99
Step by Step Solution
- Step 1: Write the proportion equation
2,146,229.40 : 3,218,177.70 = 725,554.20 : x - Step 2: Convert to fraction form
2,146,229.40/3,218,177.70 = 725,554.20/x - Step 3: Cross multiply
2,146,229.40x = 3,218,177.70 × 725,554.20 - Step 4: Simplify right side
2,146,229.40x = 2,334,962,346,581.34 - Step 5: Solve for x
x = 2,334,962,346,581.34/2,146,229.40 - Step 6: Final answer
x = 1,087,936.99
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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.