Finding the Fourth Proportional to 1,722,112.67, 2,376,806.67 and 997,400.94
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Solution
The fourth proportional to 1,722,112.67, 2,376,806.67 and 997,400.94 is: 1,376,581.95
Step by Step Solution
- Step 1: Write the proportion equation
1,722,112.67 : 2,376,806.67 = 997,400.94 : x - Step 2: Convert to fraction form
1,722,112.67/2,376,806.67 = 997,400.94/x - Step 3: Cross multiply
1,722,112.67x = 2,376,806.67 × 997,400.94 - Step 4: Simplify right side
1,722,112.67x = 2,370,629,206,856.27 - Step 5: Solve for x
x = 2,370,629,206,856.27/1,722,112.67 - Step 6: Final answer
x = 1,376,581.95
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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.