Finding the Fourth Proportional to 4,135,136.82, 6,203,094.20 and 1,217,231.59
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Solution
The fourth proportional to 4,135,136.82, 6,203,094.20 and 1,217,231.59 is: 1,825,961.89
Step by Step Solution
- Step 1: Write the proportion equation
4,135,136.82 : 6,203,094.20 = 1,217,231.59 : x - Step 2: Convert to fraction form
4,135,136.82/6,203,094.20 = 1,217,231.59/x - Step 3: Cross multiply
4,135,136.82x = 6,203,094.20 × 1,217,231.59 - Step 4: Simplify right side
4,135,136.82x = 7,550,602,241,332.30 - Step 5: Solve for x
x = 7,550,602,241,332.30/4,135,136.82 - Step 6: Final answer
x = 1,825,961.89
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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.