Finding the Fourth Proportional to 6,426,378, 9,639,174.96 and 2,639,764.08
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Solution
The fourth proportional to 6,426,378, 9,639,174.96 and 2,639,764.08 is: 3,959,485.08
Step by Step Solution
- Step 1: Write the proportion equation
6,426,378 : 9,639,174.96 = 2,639,764.08 : x - Step 2: Convert to fraction form
6,426,378/9,639,174.96 = 2,639,764.08/x - Step 3: Cross multiply
6,426,378x = 9,639,174.96 × 2,639,764.08 - Step 4: Simplify right side
6,426,378x = 25,445,147,820,243.44 - Step 5: Solve for x
x = 25,445,147,820,243.44/6,426,378 - Step 6: Final answer
x = 3,959,485.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.