Finding the Fourth Proportional to 4,138,855, 5,711,502.84 and 2,303,284
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Solution
The fourth proportional to 4,138,855, 5,711,502.84 and 2,303,284 is: 3,178,466.78
Step by Step Solution
- Step 1: Write the proportion equation
4,138,855 : 5,711,502.84 = 2,303,284 : x - Step 2: Convert to fraction form
4,138,855/5,711,502.84 = 2,303,284/x - Step 3: Cross multiply
4,138,855x = 5,711,502.84 × 2,303,284 - Step 4: Simplify right side
4,138,855x = 13,155,213,107,326.56 - Step 5: Solve for x
x = 13,155,213,107,326.56/4,138,855 - Step 6: Final answer
x = 3,178,466.78
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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.