Finding the Fourth Proportional to 3,887,775.54, 5,365,132.53 and 2,168,896.06
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Solution
The fourth proportional to 3,887,775.54, 5,365,132.53 and 2,168,896.06 is: 2,993,077.84
Step by Step Solution
- Step 1: Write the proportion equation
3,887,775.54 : 5,365,132.53 = 2,168,896.06 : x - Step 2: Convert to fraction form
3,887,775.54/5,365,132.53 = 2,168,896.06/x - Step 3: Cross multiply
3,887,775.54x = 5,365,132.53 × 2,168,896.06 - Step 4: Simplify right side
3,887,775.54x = 11,636,414,805,694.83 - Step 5: Solve for x
x = 11,636,414,805,694.83/3,887,775.54 - Step 6: Final answer
x = 2,993,077.84
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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.