Finding the Fourth Proportional to 6,777,580.40, 10,166,305.80 and 1,660,032.80
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Solution
The fourth proportional to 6,777,580.40, 10,166,305.80 and 1,660,032.80 is: 2,490,033.33
Step by Step Solution
- Step 1: Write the proportion equation
6,777,580.40 : 10,166,305.80 = 1,660,032.80 : x - Step 2: Convert to fraction form
6,777,580.40/10,166,305.80 = 1,660,032.80/x - Step 3: Cross multiply
6,777,580.40x = 10,166,305.80 × 1,660,032.80 - Step 4: Simplify right side
6,777,580.40x = 16,876,401,082,830.24 - Step 5: Solve for x
x = 16,876,401,082,830.24/6,777,580.40 - Step 6: Final answer
x = 2,490,033.33
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1.5x scale
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.