Finding the Fourth Proportional to 2,121,927.98, 3,181,106.79 and 922,947.35
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Solution
The fourth proportional to 2,121,927.98, 3,181,106.79 and 922,947.35 is: 1,383,644.54
Step by Step Solution
- Step 1: Write the proportion equation
2,121,927.98 : 3,181,106.79 = 922,947.35 : x - Step 2: Convert to fraction form
2,121,927.98/3,181,106.79 = 922,947.35/x - Step 3: Cross multiply
2,121,927.98x = 3,181,106.79 × 922,947.35 - Step 4: Simplify right side
2,121,927.98x = 2,935,994,065,991.97 - Step 5: Solve for x
x = 2,935,994,065,991.97/2,121,927.98 - Step 6: Final answer
x = 1,383,644.54
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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.