Finding the Fourth Proportional to 4,549,201.20, 6,823,801.80 and 2,157,716.70
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Solution
The fourth proportional to 4,549,201.20, 6,823,801.80 and 2,157,716.70 is: 3,236,575.05
Step by Step Solution
- Step 1: Write the proportion equation
4,549,201.20 : 6,823,801.80 = 2,157,716.70 : x - Step 2: Convert to fraction form
4,549,201.20/6,823,801.80 = 2,157,716.70/x - Step 3: Cross multiply
4,549,201.20x = 6,823,801.80 × 2,157,716.70 - Step 4: Simplify right side
4,549,201.20x = 14,723,831,101,350.06 - Step 5: Solve for x
x = 14,723,831,101,350.06/4,549,201.20 - Step 6: Final answer
x = 3,236,575.05
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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.