Finding the Fourth Proportional to 3,782,626.08, 5,676,962.64 and 1,961,508.48
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Solution
The fourth proportional to 3,782,626.08, 5,676,962.64 and 1,961,508.48 is: 2,943,830.59
Step by Step Solution
- Step 1: Write the proportion equation
3,782,626.08 : 5,676,962.64 = 1,961,508.48 : x - Step 2: Convert to fraction form
3,782,626.08/5,676,962.64 = 1,961,508.48/x - Step 3: Cross multiply
3,782,626.08x = 5,676,962.64 × 1,961,508.48 - Step 4: Simplify right side
3,782,626.08x = 11,135,410,359,003.19 - Step 5: Solve for x
x = 11,135,410,359,003.19/3,782,626.08 - Step 6: Final answer
x = 2,943,830.59
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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.