Finding the Fourth Proportional to 4,784,475.92, 6,602,736.20 and 2,609,138.09
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Solution
The fourth proportional to 4,784,475.92, 6,602,736.20 and 2,609,138.09 is: 3,600,697.51
Step by Step Solution
- Step 1: Write the proportion equation
4,784,475.92 : 6,602,736.20 = 2,609,138.09 : x - Step 2: Convert to fraction form
4,784,475.92/6,602,736.20 = 2,609,138.09/x - Step 3: Cross multiply
4,784,475.92x = 6,602,736.20 × 2,609,138.09 - Step 4: Simplify right side
4,784,475.92x = 17,227,450,521,103.01 - Step 5: Solve for x
x = 17,227,450,521,103.01/4,784,475.92 - Step 6: Final answer
x = 3,600,697.51
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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.