Finding the Fourth Proportional to 3,405,077.65, 4,699,039.22 and 1,877,239.45
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Solution
The fourth proportional to 3,405,077.65, 4,699,039.22 and 1,877,239.45 is: 2,590,608.12
Step by Step Solution
- Step 1: Write the proportion equation
3,405,077.65 : 4,699,039.22 = 1,877,239.45 : x - Step 2: Convert to fraction form
3,405,077.65/4,699,039.22 = 1,877,239.45/x - Step 3: Cross multiply
3,405,077.65x = 4,699,039.22 × 1,877,239.45 - Step 4: Simplify right side
3,405,077.65x = 8,821,221,800,881.23 - Step 5: Solve for x
x = 8,821,221,800,881.23/3,405,077.65 - Step 6: Final answer
x = 2,590,608.12
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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.