Finding the Fourth Proportional to 6,322,215, 8,722,620.36 and 3,872,271.99
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Solution
The fourth proportional to 6,322,215, 8,722,620.36 and 3,872,271.99 is: 5,342,488.12
Step by Step Solution
- Step 1: Write the proportion equation
6,322,215 : 8,722,620.36 = 3,872,271.99 : x - Step 2: Convert to fraction form
6,322,215/8,722,620.36 = 3,872,271.99/x - Step 3: Cross multiply
6,322,215x = 8,722,620.36 × 3,872,271.99 - Step 4: Simplify right side
6,322,215x = 33,776,358,499,431.71 - Step 5: Solve for x
x = 33,776,358,499,431.71/6,322,215 - Step 6: Final answer
x = 5,342,488.12
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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.