Finding the Fourth Proportional to 4,429,405.80, 6,644,108.70 and 2,189,917.80
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Solution
The fourth proportional to 4,429,405.80, 6,644,108.70 and 2,189,917.80 is: 3,284,876.70
Step by Step Solution
- Step 1: Write the proportion equation
4,429,405.80 : 6,644,108.70 = 2,189,917.80 : x - Step 2: Convert to fraction form
4,429,405.80/6,644,108.70 = 2,189,917.80/x - Step 3: Cross multiply
4,429,405.80x = 6,644,108.70 × 2,189,917.80 - Step 4: Simplify right side
4,429,405.80x = 14,550,051,907,264.86 - Step 5: Solve for x
x = 14,550,051,907,264.86/4,429,405.80 - Step 6: Final answer
x = 3,284,876.70
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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.