Finding the Fourth Proportional to 6,823,491.28, 10,238,779.24 and 2,782,943.44
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Solution
The fourth proportional to 6,823,491.28, 10,238,779.24 and 2,782,943.44 is: 4,175,859.89
Step by Step Solution
- Step 1: Write the proportion equation
6,823,491.28 : 10,238,779.24 = 2,782,943.44 : x - Step 2: Convert to fraction form
6,823,491.28/10,238,779.24 = 2,782,943.44/x - Step 3: Cross multiply
6,823,491.28x = 10,238,779.24 × 2,782,943.44 - Step 4: Simplify right side
6,823,491.28x = 28,493,943,519,566.19 - Step 5: Solve for x
x = 28,493,943,519,566.19/6,823,491.28 - Step 6: Final answer
x = 4,175,859.89
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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.