Finding the Fourth Proportional to 2,147,174.08, 2,963,137.08 and 1,180,345.12
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Solution
The fourth proportional to 2,147,174.08, 2,963,137.08 and 1,180,345.12 is: 1,628,896.52
Step by Step Solution
- Step 1: Write the proportion equation
2,147,174.08 : 2,963,137.08 = 1,180,345.12 : x - Step 2: Convert to fraction form
2,147,174.08/2,963,137.08 = 1,180,345.12/x - Step 3: Cross multiply
2,147,174.08x = 2,963,137.08 × 1,180,345.12 - Step 4: Simplify right side
2,147,174.08x = 3,497,524,392,269.05 - Step 5: Solve for x
x = 3,497,524,392,269.05/2,147,174.08 - Step 6: Final answer
x = 1,628,896.52
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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.