Finding the Fourth Proportional to 6,212,205.16, 8,572,761.12 and 3,599,065.48
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Solution
The fourth proportional to 6,212,205.16, 8,572,761.12 and 3,599,065.48 is: 4,966,662.85
Step by Step Solution
- Step 1: Write the proportion equation
6,212,205.16 : 8,572,761.12 = 3,599,065.48 : x - Step 2: Convert to fraction form
6,212,205.16/8,572,761.12 = 3,599,065.48/x - Step 3: Cross multiply
6,212,205.16x = 8,572,761.12 × 3,599,065.48 - Step 4: Simplify right side
6,212,205.16x = 30,853,928,615,278.13 - Step 5: Solve for x
x = 30,853,928,615,278.13/6,212,205.16 - Step 6: Final answer
x = 4,966,662.85
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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.