Finding the Fourth Proportional to 1,221,733.10, 1,831,863.36 and 547,692.42
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Solution
The fourth proportional to 1,221,733.10, 1,831,863.36 and 547,692.42 is: 821,208.56
Step by Step Solution
- Step 1: Write the proportion equation
1,221,733.10 : 1,831,863.36 = 547,692.42 : x - Step 2: Convert to fraction form
1,221,733.10/1,831,863.36 = 547,692.42/x - Step 3: Cross multiply
1,221,733.10x = 1,831,863.36 × 547,692.42 - Step 4: Simplify right side
1,221,733.10x = 1,003,297,676,747.73 - Step 5: Solve for x
x = 1,003,297,676,747.73/1,221,733.10 - Step 6: Final answer
x = 821,208.56
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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.