Finding the Fourth Proportional to 3,967,887.52, 5,951,879.88 and 1,127,995.12
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Solution
The fourth proportional to 3,967,887.52, 5,951,879.88 and 1,127,995.12 is: 1,692,006.50
Step by Step Solution
- Step 1: Write the proportion equation
3,967,887.52 : 5,951,879.88 = 1,127,995.12 : x - Step 2: Convert to fraction form
3,967,887.52/5,951,879.88 = 1,127,995.12/x - Step 3: Cross multiply
3,967,887.52x = 5,951,879.88 × 1,127,995.12 - Step 4: Simplify right side
3,967,887.52x = 6,713,691,459,466.19 - Step 5: Solve for x
x = 6,713,691,459,466.19/3,967,887.52 - Step 6: Final answer
x = 1,692,006.50
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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.