Finding the Fourth Proportional to 4,135,448.70, 6,204,013.80 and 1,439,984.10
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Solution
The fourth proportional to 4,135,448.70, 6,204,013.80 and 1,439,984.10 is: 2,160,268.90
Step by Step Solution
- Step 1: Write the proportion equation
4,135,448.70 : 6,204,013.80 = 1,439,984.10 : x - Step 2: Convert to fraction form
4,135,448.70/6,204,013.80 = 1,439,984.10/x - Step 3: Cross multiply
4,135,448.70x = 6,204,013.80 × 1,439,984.10 - Step 4: Simplify right side
4,135,448.70x = 8,933,681,228,180.58 - Step 5: Solve for x
x = 8,933,681,228,180.58/4,135,448.70 - Step 6: Final answer
x = 2,160,268.90
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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.