Finding the Fourth Proportional to 2,194,362.05, 3,028,828.37 and 1,276,768.49
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Solution
The fourth proportional to 2,194,362.05, 3,028,828.37 and 1,276,768.49 is: 1,762,294.70
Step by Step Solution
- Step 1: Write the proportion equation
2,194,362.05 : 3,028,828.37 = 1,276,768.49 : x - Step 2: Convert to fraction form
2,194,362.05/3,028,828.37 = 1,276,768.49/x - Step 3: Cross multiply
2,194,362.05x = 3,028,828.37 × 1,276,768.49 - Step 4: Simplify right side
2,194,362.05x = 3,867,112,602,906.08 - Step 5: Solve for x
x = 3,867,112,602,906.08/2,194,362.05 - Step 6: Final answer
x = 1,762,294.70
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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.