Finding the Fourth Proportional to 2,397,288.36, 3,308,358.48 and 1,378,693.92
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Solution
The fourth proportional to 2,397,288.36, 3,308,358.48 and 1,378,693.92 is: 1,902,655.43
Step by Step Solution
- Step 1: Write the proportion equation
2,397,288.36 : 3,308,358.48 = 1,378,693.92 : x - Step 2: Convert to fraction form
2,397,288.36/3,308,358.48 = 1,378,693.92/x - Step 3: Cross multiply
2,397,288.36x = 3,308,358.48 × 1,378,693.92 - Step 4: Simplify right side
2,397,288.36x = 4,561,213,721,556.44 - Step 5: Solve for x
x = 4,561,213,721,556.44/2,397,288.36 - Step 6: Final answer
x = 1,902,655.43
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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.