Finding the Fourth Proportional to 2,828,163.27, 3,902,947.43 and 1,539,086.79
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Solution
The fourth proportional to 2,828,163.27, 3,902,947.43 and 1,539,086.79 is: 2,123,984.46
Step by Step Solution
- Step 1: Write the proportion equation
2,828,163.27 : 3,902,947.43 = 1,539,086.79 : x - Step 2: Convert to fraction form
2,828,163.27/3,902,947.43 = 1,539,086.79/x - Step 3: Cross multiply
2,828,163.27x = 3,902,947.43 × 1,539,086.79 - Step 4: Simplify right side
2,828,163.27x = 6,006,974,831,577.45 - Step 5: Solve for x
x = 6,006,974,831,577.45/2,828,163.27 - Step 6: Final answer
x = 2,123,984.46
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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.