Finding the Fourth Proportional to 2,544,988.11, 3,809,174.09 and 1,870,890.99
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Solution
The fourth proportional to 2,544,988.11, 3,809,174.09 and 1,870,890.99 is: 2,800,228.99
Step by Step Solution
- Step 1: Write the proportion equation
2,544,988.11 : 3,809,174.09 = 1,870,890.99 : x - Step 2: Convert to fraction form
2,544,988.11/3,809,174.09 = 1,870,890.99/x - Step 3: Cross multiply
2,544,988.11x = 3,809,174.09 × 1,870,890.99 - Step 4: Simplify right side
2,544,988.11x = 7,126,549,474,967.99 - Step 5: Solve for x
x = 7,126,549,474,967.99/2,544,988.11 - Step 6: Final answer
x = 2,800,228.99
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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.