Finding the Fourth Proportional to 2,115,331.12, 3,174,078.81 and 1,007,441.57
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Solution
The fourth proportional to 2,115,331.12, 3,174,078.81 and 1,007,441.57 is: 1,511,677.73
Step by Step Solution
- Step 1: Write the proportion equation
2,115,331.12 : 3,174,078.81 = 1,007,441.57 : x - Step 2: Convert to fraction form
2,115,331.12/3,174,078.81 = 1,007,441.57/x - Step 3: Cross multiply
2,115,331.12x = 3,174,078.81 × 1,007,441.57 - Step 4: Simplify right side
2,115,331.12x = 3,197,698,939,650.13 - Step 5: Solve for x
x = 3,197,698,939,650.13/2,115,331.12 - Step 6: Final answer
x = 1,511,677.73
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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.