Finding the Fourth Proportional to 7,202,860.64, 9,940,184.38 and 3,939,675.26
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Solution
The fourth proportional to 7,202,860.64, 9,940,184.38 and 3,939,675.26 is: 5,436,881.32
Step by Step Solution
- Step 1: Write the proportion equation
7,202,860.64 : 9,940,184.38 = 3,939,675.26 : x - Step 2: Convert to fraction form
7,202,860.64/9,940,184.38 = 3,939,675.26/x - Step 3: Cross multiply
7,202,860.64x = 9,940,184.38 × 3,939,675.26 - Step 4: Simplify right side
7,202,860.64x = 39,161,098,481,724.44 - Step 5: Solve for x
x = 39,161,098,481,724.44/7,202,860.64 - Step 6: Final answer
x = 5,436,881.32
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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.