Finding the Fourth Proportional to 5,920,940.19, 8,170,027.88 and 3,307,122.23
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Solution
The fourth proportional to 5,920,940.19, 8,170,027.88 and 3,307,122.23 is: 4,563,342.97
Step by Step Solution
- Step 1: Write the proportion equation
5,920,940.19 : 8,170,027.88 = 3,307,122.23 : x - Step 2: Convert to fraction form
5,920,940.19/8,170,027.88 = 3,307,122.23/x - Step 3: Cross multiply
5,920,940.19x = 8,170,027.88 × 3,307,122.23 - Step 4: Simplify right side
5,920,940.19x = 27,019,280,764,282.02 - Step 5: Solve for x
x = 27,019,280,764,282.02/5,920,940.19 - Step 6: Final answer
x = 4,563,342.97
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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.