Finding the Fourth Proportional to 3,886,480.51, 5,830,467.99 and 1,490,138.25
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Solution
The fourth proportional to 3,886,480.51, 5,830,467.99 and 1,490,138.25 is: 2,235,493.87
Step by Step Solution
- Step 1: Write the proportion equation
3,886,480.51 : 5,830,467.99 = 1,490,138.25 : x - Step 2: Convert to fraction form
3,886,480.51/5,830,467.99 = 1,490,138.25/x - Step 3: Cross multiply
3,886,480.51x = 5,830,467.99 × 1,490,138.25 - Step 4: Simplify right side
3,886,480.51x = 8,688,203,339,847.35 - Step 5: Solve for x
x = 8,688,203,339,847.35/3,886,480.51 - Step 6: Final answer
x = 2,235,493.87
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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.