Finding the Fourth Proportional to 1,523,718.78, 2,102,755.67 and 835,453.48
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Solution
The fourth proportional to 1,523,718.78, 2,102,755.67 and 835,453.48 is: 1,152,938.83
Step by Step Solution
- Step 1: Write the proportion equation
1,523,718.78 : 2,102,755.67 = 835,453.48 : x - Step 2: Convert to fraction form
1,523,718.78/2,102,755.67 = 835,453.48/x - Step 3: Cross multiply
1,523,718.78x = 2,102,755.67 × 835,453.48 - Step 4: Simplify right side
1,523,718.78x = 1,756,754,542,091.23 - Step 5: Solve for x
x = 1,756,754,542,091.23/1,523,718.78 - Step 6: Final answer
x = 1,152,938.83
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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.