Finding the Fourth Proportional to 6,823,490.28, 10,238,777.74 and 2,782,942.44
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Solution
The fourth proportional to 6,823,490.28, 10,238,777.74 and 2,782,942.44 is: 4,175,858.39
Step by Step Solution
- Step 1: Write the proportion equation
6,823,490.28 : 10,238,777.74 = 2,782,942.44 : x - Step 2: Convert to fraction form
6,823,490.28/10,238,777.74 = 2,782,942.44/x - Step 3: Cross multiply
6,823,490.28x = 10,238,777.74 × 2,782,942.44 - Step 4: Simplify right side
6,823,490.28x = 28,493,929,144,210.58 - Step 5: Solve for x
x = 28,493,929,144,210.58/6,823,490.28 - Step 6: Final answer
x = 4,175,858.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.