Finding the Fourth Proportional to 2,136,980.98, 3,205,989.87 and 641,072.98
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Solution
The fourth proportional to 2,136,980.98, 3,205,989.87 and 641,072.98 is: 961,764.98
Step by Step Solution
- Step 1: Write the proportion equation
2,136,980.98 : 3,205,989.87 = 641,072.98 : x - Step 2: Convert to fraction form
2,136,980.98/3,205,989.87 = 641,072.98/x - Step 3: Cross multiply
2,136,980.98x = 3,205,989.87 × 641,072.98 - Step 4: Simplify right side
2,136,980.98x = 2,055,273,479,810.71 - Step 5: Solve for x
x = 2,055,273,479,810.71/2,136,980.98 - Step 6: Final answer
x = 961,764.98
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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.