Finding the Fourth Proportional to 2,107,594.44, 2,908,550.74 and 1,291,640.49
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Solution
The fourth proportional to 2,107,594.44, 2,908,550.74 and 1,291,640.49 is: 1,782,507.03
Step by Step Solution
- Step 1: Write the proportion equation
2,107,594.44 : 2,908,550.74 = 1,291,640.49 : x - Step 2: Convert to fraction form
2,107,594.44/2,908,550.74 = 1,291,640.49/x - Step 3: Cross multiply
2,107,594.44x = 2,908,550.74 × 1,291,640.49 - Step 4: Simplify right side
2,107,594.44x = 3,756,801,888,460.71 - Step 5: Solve for x
x = 3,756,801,888,460.71/2,107,594.44 - Step 6: Final answer
x = 1,782,507.03
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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.