Finding the Fourth Proportional to 4,491,079.50, 6,197,683.62 and 2,557,340.09
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Solution
The fourth proportional to 4,491,079.50, 6,197,683.62 and 2,557,340.09 is: 3,529,125.85
Step by Step Solution
- Step 1: Write the proportion equation
4,491,079.50 : 6,197,683.62 = 2,557,340.09 : x - Step 2: Convert to fraction form
4,491,079.50/6,197,683.62 = 2,557,340.09/x - Step 3: Cross multiply
4,491,079.50x = 6,197,683.62 × 2,557,340.09 - Step 4: Simplify right side
4,491,079.50x = 15,849,584,755,573.91 - Step 5: Solve for x
x = 15,849,584,755,573.91/4,491,079.50 - Step 6: Final answer
x = 3,529,125.85
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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.