Finding the Fourth Proportional to 4,354,144.17, 6,531,237.09 and 1,321,536.36
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Solution
The fourth proportional to 4,354,144.17, 6,531,237.09 and 1,321,536.36 is: 1,982,310.86
Step by Step Solution
- Step 1: Write the proportion equation
4,354,144.17 : 6,531,237.09 = 1,321,536.36 : x - Step 2: Convert to fraction form
4,354,144.17/6,531,237.09 = 1,321,536.36/x - Step 3: Cross multiply
4,354,144.17x = 6,531,237.09 × 1,321,536.36 - Step 4: Simplify right side
4,354,144.17x = 8,631,267,290,215.59 - Step 5: Solve for x
x = 8,631,267,290,215.59/4,354,144.17 - Step 6: Final answer
x = 1,982,310.86
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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.