Finding the Fourth Proportional to 1,412,658.35, 2,118,940.68 and 613,940.84
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Solution
The fourth proportional to 1,412,658.35, 2,118,940.68 and 613,940.84 is: 920,890.90
Step by Step Solution
- Step 1: Write the proportion equation
1,412,658.35 : 2,118,940.68 = 613,940.84 : x - Step 2: Convert to fraction form
1,412,658.35/2,118,940.68 = 613,940.84/x - Step 3: Cross multiply
1,412,658.35x = 2,118,940.68 × 613,940.84 - Step 4: Simplify right side
1,412,658.35x = 1,300,904,220,989.37 - Step 5: Solve for x
x = 1,300,904,220,989.37/1,412,658.35 - Step 6: Final answer
x = 920,890.90
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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.