Finding the Fourth Proportional to 5,566,907.58, 7,682,202.09 and 3,275,215.62
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Solution
The fourth proportional to 5,566,907.58, 7,682,202.09 and 3,275,215.62 is: 4,519,720.85
Step by Step Solution
- Step 1: Write the proportion equation
5,566,907.58 : 7,682,202.09 = 3,275,215.62 : x - Step 2: Convert to fraction form
5,566,907.58/7,682,202.09 = 3,275,215.62/x - Step 3: Cross multiply
5,566,907.58x = 7,682,202.09 × 3,275,215.62 - Step 4: Simplify right side
5,566,907.58x = 25,160,868,281,164.64 - Step 5: Solve for x
x = 25,160,868,281,164.64/5,566,907.58 - Step 6: Final answer
x = 4,519,720.85
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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.