Finding the Fourth Proportional to 3,821,747.55, 5,273,409.47 and 2,189,840.96
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Solution
The fourth proportional to 3,821,747.55, 5,273,409.47 and 2,189,840.96 is: 3,021,635.49
Step by Step Solution
- Step 1: Write the proportion equation
3,821,747.55 : 5,273,409.47 = 2,189,840.96 : x - Step 2: Convert to fraction form
3,821,747.55/5,273,409.47 = 2,189,840.96/x - Step 3: Cross multiply
3,821,747.55x = 5,273,409.47 × 2,189,840.96 - Step 4: Simplify right side
3,821,747.55x = 11,547,928,018,941.64 - Step 5: Solve for x
x = 11,547,928,018,941.64/3,821,747.55 - Step 6: Final answer
x = 3,021,635.49
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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.