Finding the Fourth Proportional to 4,857,743.36, 6,704,254.44 and 4,040,505.20
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Solution
The fourth proportional to 4,857,743.36, 6,704,254.44 and 4,040,505.20 is: 5,576,370.12
Step by Step Solution
- Step 1: Write the proportion equation
4,857,743.36 : 6,704,254.44 = 4,040,505.20 : x - Step 2: Convert to fraction form
4,857,743.36/6,704,254.44 = 4,040,505.20/x - Step 3: Cross multiply
4,857,743.36x = 6,704,254.44 × 4,040,505.20 - Step 4: Simplify right side
4,857,743.36x = 27,088,574,926,943.09 - Step 5: Solve for x
x = 27,088,574,926,943.09/4,857,743.36 - Step 6: Final answer
x = 5,576,370.12
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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.