Finding the Fourth Proportional to 2,139,269.99, 3,207,745.87 and 939,787.97
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Solution
The fourth proportional to 2,139,269.99, 3,207,745.87 and 939,787.97 is: 1,409,172.75
Step by Step Solution
- Step 1: Write the proportion equation
2,139,269.99 : 3,207,745.87 = 939,787.97 : x - Step 2: Convert to fraction form
2,139,269.99/3,207,745.87 = 939,787.97/x - Step 3: Cross multiply
2,139,269.99x = 3,207,745.87 × 939,787.97 - Step 4: Simplify right side
2,139,269.99x = 3,014,600,961,054.99 - Step 5: Solve for x
x = 3,014,600,961,054.99/2,139,269.99 - Step 6: Final answer
x = 1,409,172.75
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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.