Finding the Fourth Proportional to 3,408,608.20, 4,703,977.74 and 1,880,813.68
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Solution
The fourth proportional to 3,408,608.20, 4,703,977.74 and 1,880,813.68 is: 2,595,577.19
Step by Step Solution
- Step 1: Write the proportion equation
3,408,608.20 : 4,703,977.74 = 1,880,813.68 : x - Step 2: Convert to fraction form
3,408,608.20/4,703,977.74 = 1,880,813.68/x - Step 3: Cross multiply
3,408,608.20x = 4,703,977.74 × 1,880,813.68 - Step 4: Simplify right side
3,408,608.20x = 8,847,305,683,807.48 - Step 5: Solve for x
x = 8,847,305,683,807.48/3,408,608.20 - Step 6: Final answer
x = 2,595,577.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.