Finding the Fourth Proportional to 6,644,408.70, 9,966,613.05 and 3,285,176.70
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Solution
The fourth proportional to 6,644,408.70, 9,966,613.05 and 3,285,176.70 is: 4,927,765.05
Step by Step Solution
- Step 1: Write the proportion equation
6,644,408.70 : 9,966,613.05 = 3,285,176.70 : x - Step 2: Convert to fraction form
6,644,408.70/9,966,613.05 = 3,285,176.70/x - Step 3: Cross multiply
6,644,408.70x = 9,966,613.05 × 3,285,176.70 - Step 4: Simplify right side
6,644,408.70x = 32,742,084,969,775.94 - Step 5: Solve for x
x = 32,742,084,969,775.94/6,644,408.70 - Step 6: Final answer
x = 4,927,765.05
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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.