Finding the Fourth Proportional to 4,163,741.74, 5,749,220.19 and 3,195,338.14
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Solution
The fourth proportional to 4,163,741.74, 5,749,220.19 and 3,195,338.14 is: 4,412,065.80
Step by Step Solution
- Step 1: Write the proportion equation
4,163,741.74 : 5,749,220.19 = 3,195,338.14 : x - Step 2: Convert to fraction form
4,163,741.74/5,749,220.19 = 3,195,338.14/x - Step 3: Cross multiply
4,163,741.74x = 5,749,220.19 × 3,195,338.14 - Step 4: Simplify right side
4,163,741.74x = 18,370,702,548,365.05 - Step 5: Solve for x
x = 18,370,702,548,365.05/4,163,741.74 - Step 6: Final answer
x = 4,412,065.80
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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.