Finding the Fourth Proportional to 2,151,579.84, 2,969,245.50 and 1,184,744.73
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Solution
The fourth proportional to 2,151,579.84, 2,969,245.50 and 1,184,744.73 is: 1,634,983.69
Step by Step Solution
- Step 1: Write the proportion equation
2,151,579.84 : 2,969,245.50 = 1,184,744.73 : x - Step 2: Convert to fraction form
2,151,579.84/2,969,245.50 = 1,184,744.73/x - Step 3: Cross multiply
2,151,579.84x = 2,969,245.50 × 1,184,744.73 - Step 4: Simplify right side
2,151,579.84x = 3,517,797,940,393.13 - Step 5: Solve for x
x = 3,517,797,940,393.13/2,151,579.84 - Step 6: Final answer
x = 1,634,983.69
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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.