Finding the Fourth Proportional to 3,888,768.62, 5,368,518.46 and 2,841,014.79
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Solution
The fourth proportional to 3,888,768.62, 5,368,518.46 and 2,841,014.79 is: 3,922,074.52
Step by Step Solution
- Step 1: Write the proportion equation
3,888,768.62 : 5,368,518.46 = 2,841,014.79 : x - Step 2: Convert to fraction form
3,888,768.62/5,368,518.46 = 2,841,014.79/x - Step 3: Cross multiply
3,888,768.62x = 5,368,518.46 × 2,841,014.79 - Step 4: Simplify right side
3,888,768.62x = 15,252,040,332,818.59 - Step 5: Solve for x
x = 15,252,040,332,818.59/3,888,768.62 - Step 6: Final answer
x = 3,922,074.52
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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.