Finding the Fourth Proportional to 5,275,621.06, 7,909,297.40 and 2,083,136.88
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Solution
The fourth proportional to 5,275,621.06, 7,909,297.40 and 2,083,136.88 is: 3,123,072.89
Step by Step Solution
- Step 1: Write the proportion equation
5,275,621.06 : 7,909,297.40 = 2,083,136.88 : x - Step 2: Convert to fraction form
5,275,621.06/7,909,297.40 = 2,083,136.88/x - Step 3: Cross multiply
5,275,621.06x = 7,909,297.40 × 2,083,136.88 - Step 4: Simplify right side
5,275,621.06x = 16,476,149,108,828.11 - Step 5: Solve for x
x = 16,476,149,108,828.11/5,275,621.06 - Step 6: Final answer
x = 3,123,072.89
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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.