Finding the Fourth Proportional to 3,991,408.80, 5,990,898.34 and 2,470,491.08
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Solution
The fourth proportional to 3,991,408.80, 5,990,898.34 and 2,470,491.08 is: 3,708,079.44
Step by Step Solution
- Step 1: Write the proportion equation
3,991,408.80 : 5,990,898.34 = 2,470,491.08 : x - Step 2: Convert to fraction form
3,991,408.80/5,990,898.34 = 2,470,491.08/x - Step 3: Cross multiply
3,991,408.80x = 5,990,898.34 × 2,470,491.08 - Step 4: Simplify right side
3,991,408.80x = 14,800,460,910,156.81 - Step 5: Solve for x
x = 14,800,460,910,156.81/3,991,408.80 - Step 6: Final answer
x = 3,708,079.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.