Finding the Fourth Proportional to 2,589,816.44, 3,885,843.68 and 1,390,338.08
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Solution
The fourth proportional to 2,589,816.44, 3,885,843.68 and 1,390,338.08 is: 2,086,107.86
Step by Step Solution
- Step 1: Write the proportion equation
2,589,816.44 : 3,885,843.68 = 1,390,338.08 : x - Step 2: Convert to fraction form
2,589,816.44/3,885,843.68 = 1,390,338.08/x - Step 3: Cross multiply
2,589,816.44x = 3,885,843.68 × 1,390,338.08 - Step 4: Simplify right side
2,589,816.44x = 5,402,636,441,231.34 - Step 5: Solve for x
x = 5,402,636,441,231.34/2,589,816.44 - Step 6: Final answer
x = 2,086,107.86
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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.