Finding the Fourth Proportional to 3,190,553.88, 4,403,016.93 and 1,740,249.42
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Solution
The fourth proportional to 3,190,553.88, 4,403,016.93 and 1,740,249.42 is: 2,401,572.88
Step by Step Solution
- Step 1: Write the proportion equation
3,190,553.88 : 4,403,016.93 = 1,740,249.42 : x - Step 2: Convert to fraction form
3,190,553.88/4,403,016.93 = 1,740,249.42/x - Step 3: Cross multiply
3,190,553.88x = 4,403,016.93 × 1,740,249.42 - Step 4: Simplify right side
3,190,553.88x = 7,662,347,658,682.68 - Step 5: Solve for x
x = 7,662,347,658,682.68/3,190,553.88 - Step 6: Final answer
x = 2,401,572.88
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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.