Finding the Fourth Proportional to 4,163,740.74, 5,749,218.81 and 3,195,337.14
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Solution
The fourth proportional to 4,163,740.74, 5,749,218.81 and 3,195,337.14 is: 4,412,064.42
Step by Step Solution
- Step 1: Write the proportion equation
4,163,740.74 : 5,749,218.81 = 3,195,337.14 : x - Step 2: Convert to fraction form
4,163,740.74/5,749,218.81 = 3,195,337.14/x - Step 3: Cross multiply
4,163,740.74x = 5,749,218.81 × 3,195,337.14 - Step 4: Simplify right side
4,163,740.74x = 18,370,692,389,579.60 - Step 5: Solve for x
x = 18,370,692,389,579.60/4,163,740.74 - Step 6: Final answer
x = 4,412,064.42
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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.