Finding the Fourth Proportional to 3,996,144.99, 5,514,597.86 and 2,185,308.99
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Solution
The fourth proportional to 3,996,144.99, 5,514,597.86 and 2,185,308.99 is: 3,015,681.44
Step by Step Solution
- Step 1: Write the proportion equation
3,996,144.99 : 5,514,597.86 = 2,185,308.99 : x - Step 2: Convert to fraction form
3,996,144.99/5,514,597.86 = 2,185,308.99/x - Step 3: Cross multiply
3,996,144.99x = 5,514,597.86 × 2,185,308.99 - Step 4: Simplify right side
3,996,144.99x = 12,051,100,268,766.22 - Step 5: Solve for x
x = 12,051,100,268,766.22/3,996,144.99 - Step 6: Final answer
x = 3,015,681.44
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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.