Finding the Fourth Proportional to 5,634,195.40, 8,451,293.10 and 1,645,107.40
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Solution
The fourth proportional to 5,634,195.40, 8,451,293.10 and 1,645,107.40 is: 2,467,661.10
Step by Step Solution
- Step 1: Write the proportion equation
5,634,195.40 : 8,451,293.10 = 1,645,107.40 : x - Step 2: Convert to fraction form
5,634,195.40/8,451,293.10 = 1,645,107.40/x - Step 3: Cross multiply
5,634,195.40x = 8,451,293.10 × 1,645,107.40 - Step 4: Simplify right side
5,634,195.40x = 13,903,284,818,378.94 - Step 5: Solve for x
x = 13,903,284,818,378.94/5,634,195.40 - Step 6: Final answer
x = 2,467,661.10
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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.