Finding the Fourth Proportional to 2,397,289.36, 3,308,359.86 and 1,378,694.92
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Solution
The fourth proportional to 2,397,289.36, 3,308,359.86 and 1,378,694.92 is: 1,902,656.81
Step by Step Solution
- Step 1: Write the proportion equation
2,397,289.36 : 3,308,359.86 = 1,378,694.92 : x - Step 2: Convert to fraction form
2,397,289.36/3,308,359.86 = 1,378,694.92/x - Step 3: Cross multiply
2,397,289.36x = 3,308,359.86 × 1,378,694.92 - Step 4: Simplify right side
2,397,289.36x = 4,561,218,932,513.91 - Step 5: Solve for x
x = 4,561,218,932,513.91/2,397,289.36 - Step 6: Final answer
x = 1,902,656.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.