Finding the Fourth Proportional to 2,672,626.16, 3,688,623.44 and 2,103,945.68
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Solution
The fourth proportional to 2,672,626.16, 3,688,623.44 and 2,103,945.68 is: 2,903,759.40
Step by Step Solution
- Step 1: Write the proportion equation
2,672,626.16 : 3,688,623.44 = 2,103,945.68 : x - Step 2: Convert to fraction form
2,672,626.16/3,688,623.44 = 2,103,945.68/x - Step 3: Cross multiply
2,672,626.16x = 3,688,623.44 × 2,103,945.68 - Step 4: Simplify right side
2,672,626.16x = 7,760,663,322,771.89 - Step 5: Solve for x
x = 7,760,663,322,771.89/2,672,626.16 - Step 6: Final answer
x = 2,903,759.40
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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.