Finding the Fourth Proportional to 4,170,889.80, 6,256,334.70 and 2,045,125.80
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Solution
The fourth proportional to 4,170,889.80, 6,256,334.70 and 2,045,125.80 is: 3,067,688.70
Step by Step Solution
- Step 1: Write the proportion equation
4,170,889.80 : 6,256,334.70 = 2,045,125.80 : x - Step 2: Convert to fraction form
4,170,889.80/6,256,334.70 = 2,045,125.80/x - Step 3: Cross multiply
4,170,889.80x = 6,256,334.70 × 2,045,125.80 - Step 4: Simplify right side
4,170,889.80x = 12,794,991,508,405.26 - Step 5: Solve for x
x = 12,794,991,508,405.26/4,170,889.80 - Step 6: Final answer
x = 3,067,688.70
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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.