Finding the Fourth Proportional to 2,972,147.10, 4,455,268.20 and 1,371,919.20
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Solution
The fourth proportional to 2,972,147.10, 4,455,268.20 and 1,371,919.20 is: 2,056,515.97
Step by Step Solution
- Step 1: Write the proportion equation
2,972,147.10 : 4,455,268.20 = 1,371,919.20 : x - Step 2: Convert to fraction form
2,972,147.10/4,455,268.20 = 1,371,919.20/x - Step 3: Cross multiply
2,972,147.10x = 4,455,268.20 × 1,371,919.20 - Step 4: Simplify right side
2,972,147.10x = 6,112,267,984,729.44 - Step 5: Solve for x
x = 6,112,267,984,729.44/2,972,147.10 - Step 6: Final answer
x = 2,056,515.97
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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.