Finding the Fourth Proportional to 3,979,027.91, 5,968,534.42 and 1,246,784.49
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Solution
The fourth proportional to 3,979,027.91, 5,968,534.42 and 1,246,784.49 is: 1,870,174.40
Step by Step Solution
- Step 1: Write the proportion equation
3,979,027.91 : 5,968,534.42 = 1,246,784.49 : x - Step 2: Convert to fraction form
3,979,027.91/5,968,534.42 = 1,246,784.49/x - Step 3: Cross multiply
3,979,027.91x = 5,968,534.42 × 1,246,784.49 - Step 4: Simplify right side
3,979,027.91x = 7,441,476,142,887.15 - Step 5: Solve for x
x = 7,441,476,142,887.15/3,979,027.91 - Step 6: Final answer
x = 1,870,174.40
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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.