Finding the Fourth Proportional to 2,279,791.08, 3,420,628.65 and 999,736.20
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Solution
The fourth proportional to 2,279,791.08, 3,420,628.65 and 999,736.20 is: 1,500,017.40
Step by Step Solution
- Step 1: Write the proportion equation
2,279,791.08 : 3,420,628.65 = 999,736.20 : x - Step 2: Convert to fraction form
2,279,791.08/3,420,628.65 = 999,736.20/x - Step 3: Cross multiply
2,279,791.08x = 3,420,628.65 × 999,736.20 - Step 4: Simplify right side
2,279,791.08x = 3,419,726,288,162.13 - Step 5: Solve for x
x = 3,419,726,288,162.13/2,279,791.08 - Step 6: Final answer
x = 1,500,017.40
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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.