Finding the Fourth Proportional to 6,450,213.88, 8,901,180.02 and 3,509,930.68
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Solution
The fourth proportional to 6,450,213.88, 8,901,180.02 and 3,509,930.68 is: 4,843,641.69
Step by Step Solution
- Step 1: Write the proportion equation
6,450,213.88 : 8,901,180.02 = 3,509,930.68 : x - Step 2: Convert to fraction form
6,450,213.88/8,901,180.02 = 3,509,930.68/x - Step 3: Cross multiply
6,450,213.88x = 8,901,180.02 × 3,509,930.68 - Step 4: Simplify right side
6,450,213.88x = 31,242,524,840,401.01 - Step 5: Solve for x
x = 31,242,524,840,401.01/6,450,213.88 - Step 6: Final answer
x = 4,843,641.69
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1.5x scale
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.