Finding the Fourth Proportional to 4,121,943.98, 5,688,172.94 and 2,379,554.57
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Solution
The fourth proportional to 4,121,943.98, 5,688,172.94 and 2,379,554.57 is: 3,283,721.95
Step by Step Solution
- Step 1: Write the proportion equation
4,121,943.98 : 5,688,172.94 = 2,379,554.57 : x - Step 2: Convert to fraction form
4,121,943.98/5,688,172.94 = 2,379,554.57/x - Step 3: Cross multiply
4,121,943.98x = 5,688,172.94 × 2,379,554.57 - Step 4: Simplify right side
4,121,943.98x = 13,535,317,934,496.65 - Step 5: Solve for x
x = 13,535,317,934,496.65/4,121,943.98 - Step 6: Final answer
x = 3,283,721.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.