Finding the Fourth Proportional to 4,973,793.27, 6,863,833.05 and 2,768,608.20
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Solution
The fourth proportional to 4,973,793.27, 6,863,833.05 and 2,768,608.20 is: 3,820,678.39
Step by Step Solution
- Step 1: Write the proportion equation
4,973,793.27 : 6,863,833.05 = 2,768,608.20 : x - Step 2: Convert to fraction form
4,973,793.27/6,863,833.05 = 2,768,608.20/x - Step 3: Cross multiply
4,973,793.27x = 6,863,833.05 × 2,768,608.20 - Step 4: Simplify right side
4,973,793.27x = 19,003,264,465,661.01 - Step 5: Solve for x
x = 19,003,264,465,661.01/4,973,793.27 - Step 6: Final answer
x = 3,820,678.39
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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.