Finding the Fourth Proportional to 3,038,121.36, 4,555,779.57 and 1,118,550.45
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Solution
The fourth proportional to 3,038,121.36, 4,555,779.57 and 1,118,550.45 is: 1,677,309.33
Step by Step Solution
- Step 1: Write the proportion equation
3,038,121.36 : 4,555,779.57 = 1,118,550.45 : x - Step 2: Convert to fraction form
3,038,121.36/4,555,779.57 = 1,118,550.45/x - Step 3: Cross multiply
3,038,121.36x = 4,555,779.57 × 1,118,550.45 - Step 4: Simplify right side
3,038,121.36x = 5,095,869,288,124.31 - Step 5: Solve for x
x = 5,095,869,288,124.31/3,038,121.36 - Step 6: Final answer
x = 1,677,309.33
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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.