Finding the Fourth Proportional to 4,540,021.26, 6,264,115.47 and 2,991,111.18
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Solution
The fourth proportional to 4,540,021.26, 6,264,115.47 and 2,991,111.18 is: 4,126,999.58
Step by Step Solution
- Step 1: Write the proportion equation
4,540,021.26 : 6,264,115.47 = 2,991,111.18 : x - Step 2: Convert to fraction form
4,540,021.26/6,264,115.47 = 2,991,111.18/x - Step 3: Cross multiply
4,540,021.26x = 6,264,115.47 × 2,991,111.18 - Step 4: Simplify right side
4,540,021.26x = 18,736,665,815,127.95 - Step 5: Solve for x
x = 18,736,665,815,127.95/4,540,021.26 - Step 6: Final answer
x = 4,126,999.58
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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.