Finding the Fourth Proportional to 4,424,502.42, 6,106,395.30 and 2,491,139.76
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Solution
The fourth proportional to 4,424,502.42, 6,106,395.30 and 2,491,139.76 is: 3,438,100.53
Step by Step Solution
- Step 1: Write the proportion equation
4,424,502.42 : 6,106,395.30 = 2,491,139.76 : x - Step 2: Convert to fraction form
4,424,502.42/6,106,395.30 = 2,491,139.76/x - Step 3: Cross multiply
4,424,502.42x = 6,106,395.30 × 2,491,139.76 - Step 4: Simplify right side
4,424,502.42x = 15,211,884,122,107.13 - Step 5: Solve for x
x = 15,211,884,122,107.13/4,424,502.42 - Step 6: Final answer
x = 3,438,100.53
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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.