Finding the Fourth Proportional to 2,197,930.80, 3,296,896.20 and 1,237,400.40
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Solution
The fourth proportional to 2,197,930.80, 3,296,896.20 and 1,237,400.40 is: 1,856,100.60
Step by Step Solution
- Step 1: Write the proportion equation
2,197,930.80 : 3,296,896.20 = 1,237,400.40 : x - Step 2: Convert to fraction form
2,197,930.80/3,296,896.20 = 1,237,400.40/x - Step 3: Cross multiply
2,197,930.80x = 3,296,896.20 × 1,237,400.40 - Step 4: Simplify right side
2,197,930.80x = 4,079,580,676,638.48 - Step 5: Solve for x
x = 4,079,580,676,638.48/2,197,930.80 - Step 6: Final answer
x = 1,856,100.60
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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.