Finding the Fourth Proportional to 2,147,319.36, 2,963,299.68 and 1,180,512
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Solution
The fourth proportional to 2,147,319.36, 2,963,299.68 and 1,180,512 is: 1,629,105.99
Step by Step Solution
- Step 1: Write the proportion equation
2,147,319.36 : 2,963,299.68 = 1,180,512 : x - Step 2: Convert to fraction form
2,147,319.36/2,963,299.68 = 1,180,512/x - Step 3: Cross multiply
2,147,319.36x = 2,963,299.68 × 1,180,512 - Step 4: Simplify right side
2,147,319.36x = 3,498,210,831,836.16 - Step 5: Solve for x
x = 3,498,210,831,836.16/2,147,319.36 - Step 6: Final answer
x = 1,629,105.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.