Finding the Fourth Proportional to 1,214,220.10, 1,675,626.22 and 670,356.94
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Solution
The fourth proportional to 1,214,220.10, 1,675,626.22 and 670,356.94 is: 925,093.95
Step by Step Solution
- Step 1: Write the proportion equation
1,214,220.10 : 1,675,626.22 = 670,356.94 : x - Step 2: Convert to fraction form
1,214,220.10/1,675,626.22 = 670,356.94/x - Step 3: Cross multiply
1,214,220.10x = 1,675,626.22 × 670,356.94 - Step 4: Simplify right side
1,214,220.10x = 1,123,267,665,422.97 - Step 5: Solve for x
x = 1,123,267,665,422.97/1,214,220.10 - Step 6: Final answer
x = 925,093.95
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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.