Finding the Fourth Proportional to 3,409,659.80, 5,126,931.30 and 2,862,229.40
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Solution
The fourth proportional to 3,409,659.80, 5,126,931.30 and 2,862,229.40 is: 4,303,788.17
Step by Step Solution
- Step 1: Write the proportion equation
3,409,659.80 : 5,126,931.30 = 2,862,229.40 : x - Step 2: Convert to fraction form
3,409,659.80/5,126,931.30 = 2,862,229.40/x - Step 3: Cross multiply
3,409,659.80x = 5,126,931.30 × 2,862,229.40 - Step 4: Simplify right side
3,409,659.80x = 14,674,453,498,640.22 - Step 5: Solve for x
x = 14,674,453,498,640.22/3,409,659.80 - Step 6: Final answer
x = 4,303,788.17
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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.