Finding the Fourth Proportional to 6,728,661.02, 9,285,433.74 and 3,827,990.07
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Solution
The fourth proportional to 6,728,661.02, 9,285,433.74 and 3,827,990.07 is: 5,282,558.90
Step by Step Solution
- Step 1: Write the proportion equation
6,728,661.02 : 9,285,433.74 = 3,827,990.07 : x - Step 2: Convert to fraction form
6,728,661.02/9,285,433.74 = 3,827,990.07/x - Step 3: Cross multiply
6,728,661.02x = 9,285,433.74 × 3,827,990.07 - Step 4: Simplify right side
6,728,661.02x = 35,544,548,154,399.78 - Step 5: Solve for x
x = 35,544,548,154,399.78/6,728,661.02 - Step 6: Final answer
x = 5,282,558.90
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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.