Finding the Fourth Proportional to 4,438,950.72, 6,639,191.07 and 2,612,963.94
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Solution
The fourth proportional to 4,438,950.72, 6,639,191.07 and 2,612,963.94 is: 3,908,123.33
Step by Step Solution
- Step 1: Write the proportion equation
4,438,950.72 : 6,639,191.07 = 2,612,963.94 : x - Step 2: Convert to fraction form
4,438,950.72/6,639,191.07 = 2,612,963.94/x - Step 3: Cross multiply
4,438,950.72x = 6,639,191.07 × 2,612,963.94 - Step 4: Simplify right side
4,438,950.72x = 17,347,966,856,680.02 - Step 5: Solve for x
x = 17,347,966,856,680.02/4,438,950.72 - Step 6: Final answer
x = 3,908,123.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.