Finding the Fourth Proportional to 3,998,993.38, 5,994,889.26 and 1,438,408.47
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Solution
The fourth proportional to 3,998,993.38, 5,994,889.26 and 1,438,408.47 is: 2,156,317.52
Step by Step Solution
- Step 1: Write the proportion equation
3,998,993.38 : 5,994,889.26 = 1,438,408.47 : x - Step 2: Convert to fraction form
3,998,993.38/5,994,889.26 = 1,438,408.47/x - Step 3: Cross multiply
3,998,993.38x = 5,994,889.26 × 1,438,408.47 - Step 4: Simplify right side
3,998,993.38x = 8,623,099,488,296.03 - Step 5: Solve for x
x = 8,623,099,488,296.03/3,998,993.38 - Step 6: Final answer
x = 2,156,317.52
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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.