Finding the Fourth Proportional to 4,085,551.21, 6,120,354.27 and 3,182,765.81
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Solution
The fourth proportional to 4,085,551.21, 6,120,354.27 and 3,182,765.81 is: 4,767,937.87
Step by Step Solution
- Step 1: Write the proportion equation
4,085,551.21 : 6,120,354.27 = 3,182,765.81 : x - Step 2: Convert to fraction form
4,085,551.21/6,120,354.27 = 3,182,765.81/x - Step 3: Cross multiply
4,085,551.21x = 6,120,354.27 × 3,182,765.81 - Step 4: Simplify right side
4,085,551.21x = 19,479,654,330,944.39 - Step 5: Solve for x
x = 19,479,654,330,944.39/4,085,551.21 - Step 6: Final answer
x = 4,767,937.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.