Finding the Fourth Proportional to 1,920,343.09, 2,881,289.20 and 854,656.26
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Solution
The fourth proportional to 1,920,343.09, 2,881,289.20 and 854,656.26 is: 1,282,329.11
Step by Step Solution
- Step 1: Write the proportion equation
1,920,343.09 : 2,881,289.20 = 854,656.26 : x - Step 2: Convert to fraction form
1,920,343.09/2,881,289.20 = 854,656.26/x - Step 3: Cross multiply
1,920,343.09x = 2,881,289.20 × 854,656.26 - Step 4: Simplify right side
1,920,343.09x = 2,462,511,851,650.39 - Step 5: Solve for x
x = 2,462,511,851,650.39/1,920,343.09 - Step 6: Final answer
x = 1,282,329.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.