Finding the Fourth Proportional to 1,757,703.50, 2,425,889.67 and 1,113,183.62
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Solution
The fourth proportional to 1,757,703.50, 2,425,889.67 and 1,113,183.62 is: 1,536,357.32
Step by Step Solution
- Step 1: Write the proportion equation
1,757,703.50 : 2,425,889.67 = 1,113,183.62 : x - Step 2: Convert to fraction form
1,757,703.50/2,425,889.67 = 1,113,183.62/x - Step 3: Cross multiply
1,757,703.50x = 2,425,889.67 × 1,113,183.62 - Step 4: Simplify right side
1,757,703.50x = 2,700,460,644,571.21 - Step 5: Solve for x
x = 2,700,460,644,571.21/1,757,703.50 - Step 6: Final answer
x = 1,536,357.32
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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.