Finding the Fourth Proportional to 2,620,975.14, 3,932,408.84 and 915,369.57
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Solution
The fourth proportional to 2,620,975.14, 3,932,408.84 and 915,369.57 is: 1,373,384.79
Step by Step Solution
- Step 1: Write the proportion equation
2,620,975.14 : 3,932,408.84 = 915,369.57 : x - Step 2: Convert to fraction form
2,620,975.14/3,932,408.84 = 915,369.57/x - Step 3: Cross multiply
2,620,975.14x = 3,932,408.84 × 915,369.57 - Step 4: Simplify right side
2,620,975.14x = 3,599,607,384,358.15 - Step 5: Solve for x
x = 3,599,607,384,358.15/2,620,975.14 - Step 6: Final answer
x = 1,373,384.79
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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.