Finding the Fourth Proportional to 3,882,807.04, 5,358,277.92 and 2,163,888.64
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Solution
The fourth proportional to 3,882,807.04, 5,358,277.92 and 2,163,888.64 is: 2,986,168.67
Step by Step Solution
- Step 1: Write the proportion equation
3,882,807.04 : 5,358,277.92 = 2,163,888.64 : x - Step 2: Convert to fraction form
3,882,807.04/5,358,277.92 = 2,163,888.64/x - Step 3: Cross multiply
3,882,807.04x = 5,358,277.92 × 2,163,888.64 - Step 4: Simplify right side
3,882,807.04x = 11,594,716,721,050.83 - Step 5: Solve for x
x = 11,594,716,721,050.83/3,882,807.04 - Step 6: Final answer
x = 2,986,168.67
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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.