Finding the Fourth Proportional to 5,744,512.78, 8,616,987.87 and 2,149,901.26
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Solution
The fourth proportional to 5,744,512.78, 8,616,987.87 and 2,149,901.26 is: 3,224,933.74
Step by Step Solution
- Step 1: Write the proportion equation
5,744,512.78 : 8,616,987.87 = 2,149,901.26 : x - Step 2: Convert to fraction form
5,744,512.78/8,616,987.87 = 2,149,901.26/x - Step 3: Cross multiply
5,744,512.78x = 8,616,987.87 × 2,149,901.26 - Step 4: Simplify right side
5,744,512.78x = 18,525,673,049,513.12 - Step 5: Solve for x
x = 18,525,673,049,513.12/5,744,512.78 - Step 6: Final answer
x = 3,224,933.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.