Finding the Fourth Proportional to 4,102,421.57, 5,664,973.07 and 2,556,321.92
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Solution
The fourth proportional to 4,102,421.57, 5,664,973.07 and 2,556,321.92 is: 3,529,987.00
Step by Step Solution
- Step 1: Write the proportion equation
4,102,421.57 : 5,664,973.07 = 2,556,321.92 : x - Step 2: Convert to fraction form
4,102,421.57/5,664,973.07 = 2,556,321.92/x - Step 3: Cross multiply
4,102,421.57x = 5,664,973.07 × 2,556,321.92 - Step 4: Simplify right side
4,102,421.57x = 14,481,494,822,269.09 - Step 5: Solve for x
x = 14,481,494,822,269.09/4,102,421.57 - Step 6: Final answer
x = 3,529,987.00
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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.