Finding the Fourth Proportional to 6,394,235.12, 8,823,940.16 and 3,493,563.60
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Solution
The fourth proportional to 6,394,235.12, 8,823,940.16 and 3,493,563.60 is: 4,821,060.78
Step by Step Solution
- Step 1: Write the proportion equation
6,394,235.12 : 8,823,940.16 = 3,493,563.60 : x - Step 2: Convert to fraction form
6,394,235.12/8,823,940.16 = 3,493,563.60/x - Step 3: Cross multiply
6,394,235.12x = 8,823,940.16 × 3,493,563.60 - Step 4: Simplify right side
6,394,235.12x = 30,826,996,151,554.18 - Step 5: Solve for x
x = 30,826,996,151,554.18/6,394,235.12 - Step 6: Final answer
x = 4,821,060.78
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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.