Finding the Fourth Proportional to 2,321,631.09, 3,204,052.08 and 1,289,337.93
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Solution
The fourth proportional to 2,321,631.09, 3,204,052.08 and 1,289,337.93 is: 1,779,398.07
Step by Step Solution
- Step 1: Write the proportion equation
2,321,631.09 : 3,204,052.08 = 1,289,337.93 : x - Step 2: Convert to fraction form
2,321,631.09/3,204,052.08 = 1,289,337.93/x - Step 3: Cross multiply
2,321,631.09x = 3,204,052.08 × 1,289,337.93 - Step 4: Simplify right side
2,321,631.09x = 4,131,105,876,439.39 - Step 5: Solve for x
x = 4,131,105,876,439.39/2,321,631.09 - Step 6: Final answer
x = 1,779,398.07
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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.