Finding the Fourth Proportional to 4,640,249.05, 6,404,313.84 and 2,706,509.63
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Solution
The fourth proportional to 4,640,249.05, 6,404,313.84 and 2,706,509.63 is: 3,735,432.49
Step by Step Solution
- Step 1: Write the proportion equation
4,640,249.05 : 6,404,313.84 = 2,706,509.63 : x - Step 2: Convert to fraction form
4,640,249.05/6,404,313.84 = 2,706,509.63/x - Step 3: Cross multiply
4,640,249.05x = 6,404,313.84 × 2,706,509.63 - Step 4: Simplify right side
4,640,249.05x = 17,333,337,096,971.83 - Step 5: Solve for x
x = 17,333,337,096,971.83/4,640,249.05 - Step 6: Final answer
x = 3,735,432.49
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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.