Finding the Fourth Proportional to 1,212,149.94, 1,818,212.88 and 464,195.94
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Solution
The fourth proportional to 1,212,149.94, 1,818,212.88 and 464,195.94 is: 696,289.30
Step by Step Solution
- Step 1: Write the proportion equation
1,212,149.94 : 1,818,212.88 = 464,195.94 : x - Step 2: Convert to fraction form
1,212,149.94/1,818,212.88 = 464,195.94/x - Step 3: Cross multiply
1,212,149.94x = 1,818,212.88 × 464,195.94 - Step 4: Simplify right side
1,212,149.94x = 844,007,036,951.71 - Step 5: Solve for x
x = 844,007,036,951.71/1,212,149.94 - Step 6: Final answer
x = 696,289.30
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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.