Finding the Fourth Proportional to 4,138,090.80, 6,207,136.20 and 3,665,698.80
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Solution
The fourth proportional to 4,138,090.80, 6,207,136.20 and 3,665,698.80 is: 5,498,548.20
Step by Step Solution
- Step 1: Write the proportion equation
4,138,090.80 : 6,207,136.20 = 3,665,698.80 : x - Step 2: Convert to fraction form
4,138,090.80/6,207,136.20 = 3,665,698.80/x - Step 3: Cross multiply
4,138,090.80x = 6,207,136.20 × 3,665,698.80 - Step 4: Simplify right side
4,138,090.80x = 22,753,491,719,776.56 - Step 5: Solve for x
x = 22,753,491,719,776.56/4,138,090.80 - Step 6: Final answer
x = 5,498,548.20
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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.