Finding the Fourth Proportional to 2,331,922.80, 3,497,884.20 and 815,101.62
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Solution
The fourth proportional to 2,331,922.80, 3,497,884.20 and 815,101.62 is: 1,222,652.43
Step by Step Solution
- Step 1: Write the proportion equation
2,331,922.80 : 3,497,884.20 = 815,101.62 : x - Step 2: Convert to fraction form
2,331,922.80/3,497,884.20 = 815,101.62/x - Step 3: Cross multiply
2,331,922.80x = 3,497,884.20 × 815,101.62 - Step 4: Simplify right side
2,331,922.80x = 2,851,131,077,992.40 - Step 5: Solve for x
x = 2,851,131,077,992.40/2,331,922.80 - Step 6: Final answer
x = 1,222,652.43
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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.