Finding the Fourth Proportional to 3,121,495.16, 4,682,617.80 and 1,099,321.28
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Solution
The fourth proportional to 3,121,495.16, 4,682,617.80 and 1,099,321.28 is: 1,649,114.01
Step by Step Solution
- Step 1: Write the proportion equation
3,121,495.16 : 4,682,617.80 = 1,099,321.28 : x - Step 2: Convert to fraction form
3,121,495.16/4,682,617.80 = 1,099,321.28/x - Step 3: Cross multiply
3,121,495.16x = 4,682,617.80 × 1,099,321.28 - Step 4: Simplify right side
3,121,495.16x = 5,147,701,393,646.78 - Step 5: Solve for x
x = 5,147,701,393,646.78/3,121,495.16 - Step 6: Final answer
x = 1,649,114.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.