Finding the Fourth Proportional to 6,397,661.64, 8,828,772.39 and 3,497,064.06
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Solution
The fourth proportional to 6,397,661.64, 8,828,772.39 and 3,497,064.06 is: 4,825,948.03
Step by Step Solution
- Step 1: Write the proportion equation
6,397,661.64 : 8,828,772.39 = 3,497,064.06 : x - Step 2: Convert to fraction form
6,397,661.64/8,828,772.39 = 3,497,064.06/x - Step 3: Cross multiply
6,397,661.64x = 8,828,772.39 × 3,497,064.06 - Step 4: Simplify right side
6,397,661.64x = 30,874,782,618,989.30 - Step 5: Solve for x
x = 30,874,782,618,989.30/6,397,661.64 - Step 6: Final answer
x = 4,825,948.03
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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.