Finding the Fourth Proportional to 3,873,074.67, 5,344,768.60 and 2,130,642.23
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Solution
The fourth proportional to 3,873,074.67, 5,344,768.60 and 2,130,642.23 is: 2,940,245.32
Step by Step Solution
- Step 1: Write the proportion equation
3,873,074.67 : 5,344,768.60 = 2,130,642.23 : x - Step 2: Convert to fraction form
3,873,074.67/5,344,768.60 = 2,130,642.23/x - Step 3: Cross multiply
3,873,074.67x = 5,344,768.60 × 2,130,642.23 - Step 4: Simplify right side
3,873,074.67x = 11,387,789,656,687.53 - Step 5: Solve for x
x = 11,387,789,656,687.53/3,873,074.67 - Step 6: Final answer
x = 2,940,245.32
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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.