Finding the Fourth Proportional to 2,195,874.01, 3,029,615.62 and 1,228,850.65
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Solution
The fourth proportional to 2,195,874.01, 3,029,615.62 and 1,228,850.65 is: 1,695,427.47
Step by Step Solution
- Step 1: Write the proportion equation
2,195,874.01 : 3,029,615.62 = 1,228,850.65 : x - Step 2: Convert to fraction form
2,195,874.01/3,029,615.62 = 1,228,850.65/x - Step 3: Cross multiply
2,195,874.01x = 3,029,615.62 × 1,228,850.65 - Step 4: Simplify right side
2,195,874.01x = 3,722,945,123,887.15 - Step 5: Solve for x
x = 3,722,945,123,887.15/2,195,874.01 - Step 6: Final answer
x = 1,695,427.47
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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.