Finding the Fourth Proportional to 1,841,981.70, 2,542,013.19 and 1,026,184.92
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Solution
The fourth proportional to 1,841,981.70, 2,542,013.19 and 1,026,184.92 is: 1,416,178.89
Step by Step Solution
- Step 1: Write the proportion equation
1,841,981.70 : 2,542,013.19 = 1,026,184.92 : x - Step 2: Convert to fraction form
1,841,981.70/2,542,013.19 = 1,026,184.92/x - Step 3: Cross multiply
1,841,981.70x = 2,542,013.19 × 1,026,184.92 - Step 4: Simplify right side
1,841,981.70x = 2,608,575,602,019.09 - Step 5: Solve for x
x = 2,608,575,602,019.09/1,841,981.70 - Step 6: Final answer
x = 1,416,178.89
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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.