Finding the Fourth Proportional to 2,114,198.59, 2,917,615.45 and 1,147,337.23
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Solution
The fourth proportional to 2,114,198.59, 2,917,615.45 and 1,147,337.23 is: 1,583,336.99
Step by Step Solution
- Step 1: Write the proportion equation
2,114,198.59 : 2,917,615.45 = 1,147,337.23 : x - Step 2: Convert to fraction form
2,114,198.59/2,917,615.45 = 1,147,337.23/x - Step 3: Cross multiply
2,114,198.59x = 2,917,615.45 × 1,147,337.23 - Step 4: Simplify right side
2,114,198.59x = 3,347,488,814,020.13 - Step 5: Solve for x
x = 3,347,488,814,020.13/2,114,198.59 - Step 6: Final answer
x = 1,583,336.99
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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.