Finding the Fourth Proportional to 5,397,660.21, 7,448,052.15 and 3,466,536.78
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Solution
The fourth proportional to 5,397,660.21, 7,448,052.15 and 3,466,536.78 is: 4,783,359.03
Step by Step Solution
- Step 1: Write the proportion equation
5,397,660.21 : 7,448,052.15 = 3,466,536.78 : x - Step 2: Convert to fraction form
5,397,660.21/7,448,052.15 = 3,466,536.78/x - Step 3: Cross multiply
5,397,660.21x = 7,448,052.15 × 3,466,536.78 - Step 4: Simplify right side
5,397,660.21x = 25,818,946,717,333.08 - Step 5: Solve for x
x = 25,818,946,717,333.08/5,397,660.21 - Step 6: Final answer
x = 4,783,359.03
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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.