Finding the Fourth Proportional to 4,089,026.26, 5,642,894.80 and 2,253,550.74
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Solution
The fourth proportional to 4,089,026.26, 5,642,894.80 and 2,253,550.74 is: 3,109,921.27
Step by Step Solution
- Step 1: Write the proportion equation
4,089,026.26 : 5,642,894.80 = 2,253,550.74 : x - Step 2: Convert to fraction form
4,089,026.26/5,642,894.80 = 2,253,550.74/x - Step 3: Cross multiply
4,089,026.26x = 5,642,894.80 × 2,253,550.74 - Step 4: Simplify right side
4,089,026.26x = 12,716,549,752,282.15 - Step 5: Solve for x
x = 12,716,549,752,282.15/4,089,026.26 - Step 6: Final answer
x = 3,109,921.27
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1.5x scale
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.