Finding the Fourth Proportional to 4,430,429.40, 6,114,120.66 and 2,496,583.56
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Solution
The fourth proportional to 4,430,429.40, 6,114,120.66 and 2,496,583.56 is: 3,445,357.49
Step by Step Solution
- Step 1: Write the proportion equation
4,430,429.40 : 6,114,120.66 = 2,496,583.56 : x - Step 2: Convert to fraction form
4,430,429.40/6,114,120.66 = 2,496,583.56/x - Step 3: Cross multiply
4,430,429.40x = 6,114,120.66 × 2,496,583.56 - Step 4: Simplify right side
4,430,429.40x = 15,264,413,123,612.35 - Step 5: Solve for x
x = 15,264,413,123,612.35/4,430,429.40 - Step 6: Final answer
x = 3,445,357.49
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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.