Finding the Fourth Proportional to 2,199,548.62, 3,035,556.87 and 1,219,794.49
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Solution
The fourth proportional to 2,199,548.62, 3,035,556.87 and 1,219,794.49 is: 1,683,416.09
Step by Step Solution
- Step 1: Write the proportion equation
2,199,548.62 : 3,035,556.87 = 1,219,794.49 : x - Step 2: Convert to fraction form
2,199,548.62/3,035,556.87 = 1,219,794.49/x - Step 3: Cross multiply
2,199,548.62x = 3,035,556.87 × 1,219,794.49 - Step 4: Simplify right side
2,199,548.62x = 3,702,755,544,107.65 - Step 5: Solve for x
x = 3,702,755,544,107.65/2,199,548.62 - Step 6: Final answer
x = 1,683,416.09
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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.