Finding the Fourth Proportional to 1,416,135.42, 2,124,205.13 and 1,081,078.44
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Solution
The fourth proportional to 1,416,135.42, 2,124,205.13 and 1,081,078.44 is: 1,621,619.19
Step by Step Solution
- Step 1: Write the proportion equation
1,416,135.42 : 2,124,205.13 = 1,081,078.44 : x - Step 2: Convert to fraction form
1,416,135.42/2,124,205.13 = 1,081,078.44/x - Step 3: Cross multiply
1,416,135.42x = 2,124,205.13 × 1,081,078.44 - Step 4: Simplify right side
1,416,135.42x = 2,296,432,368,180.40 - Step 5: Solve for x
x = 2,296,432,368,180.40/1,416,135.42 - Step 6: Final answer
x = 1,621,619.19
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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.