Finding the Fourth Proportional to 4,793,980.12, 6,615,653.25 and 2,618,524.66
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Solution
The fourth proportional to 4,793,980.12, 6,615,653.25 and 2,618,524.66 is: 3,613,542.56
Step by Step Solution
- Step 1: Write the proportion equation
4,793,980.12 : 6,615,653.25 = 2,618,524.66 : x - Step 2: Convert to fraction form
4,793,980.12/6,615,653.25 = 2,618,524.66/x - Step 3: Cross multiply
4,793,980.12x = 6,615,653.25 × 2,618,524.66 - Step 4: Simplify right side
4,793,980.12x = 17,323,251,177,134.15 - Step 5: Solve for x
x = 17,323,251,177,134.15/4,793,980.12 - Step 6: Final answer
x = 3,613,542.56
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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.