Finding the Fourth Proportional to 2,496,921.12, 3,445,381.68 and 1,516,350.24
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Solution
The fourth proportional to 2,496,921.12, 3,445,381.68 and 1,516,350.24 is: 2,092,338.96
Step by Step Solution
- Step 1: Write the proportion equation
2,496,921.12 : 3,445,381.68 = 1,516,350.24 : x - Step 2: Convert to fraction form
2,496,921.12/3,445,381.68 = 1,516,350.24/x - Step 3: Cross multiply
2,496,921.12x = 3,445,381.68 × 1,516,350.24 - Step 4: Simplify right side
2,496,921.12x = 5,224,405,337,359.60 - Step 5: Solve for x
x = 5,224,405,337,359.60/2,496,921.12 - Step 6: Final answer
x = 2,092,338.96
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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.