Finding the Fourth Proportional to 7,461,574.20, 11,198,266.20 and 2,914,801.20
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Solution
The fourth proportional to 7,461,574.20, 11,198,266.20 and 2,914,801.20 is: 4,374,508.50
Step by Step Solution
- Step 1: Write the proportion equation
7,461,574.20 : 11,198,266.20 = 2,914,801.20 : x - Step 2: Convert to fraction form
7,461,574.20/11,198,266.20 = 2,914,801.20/x - Step 3: Cross multiply
7,461,574.20x = 11,198,266.20 × 2,914,801.20 - Step 4: Simplify right side
7,461,574.20x = 32,640,719,757,679.44 - Step 5: Solve for x
x = 32,640,719,757,679.44/7,461,574.20 - Step 6: Final answer
x = 4,374,508.50
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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.