Finding the Fourth Proportional to 3,960,037.94, 5,464,854.59 and 2,149,201.94
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Solution
The fourth proportional to 3,960,037.94, 5,464,854.59 and 2,149,201.94 is: 2,965,899.88
Step by Step Solution
- Step 1: Write the proportion equation
3,960,037.94 : 5,464,854.59 = 2,149,201.94 : x - Step 2: Convert to fraction form
3,960,037.94/5,464,854.59 = 2,149,201.94/x - Step 3: Cross multiply
3,960,037.94x = 5,464,854.59 × 2,149,201.94 - Step 4: Simplify right side
3,960,037.94x = 11,745,076,048,575.62 - Step 5: Solve for x
x = 11,745,076,048,575.62/3,960,037.94 - Step 6: Final answer
x = 2,965,899.88
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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.