Finding the Fourth Proportional to 2,640,310.62, 3,961,318.86 and 1,221,297.54
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Solution
The fourth proportional to 2,640,310.62, 3,961,318.86 and 1,221,297.54 is: 1,832,340.84
Step by Step Solution
- Step 1: Write the proportion equation
2,640,310.62 : 3,961,318.86 = 1,221,297.54 : x - Step 2: Convert to fraction form
2,640,310.62/3,961,318.86 = 1,221,297.54/x - Step 3: Cross multiply
2,640,310.62x = 3,961,318.86 × 1,221,297.54 - Step 4: Simplify right side
2,640,310.62x = 4,837,948,978,873.60 - Step 5: Solve for x
x = 4,837,948,978,873.60/2,640,310.62 - Step 6: Final answer
x = 1,832,340.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.