Finding the Fourth Proportional to 2,043,155.07, 2,819,553.99 and 1,184,213.55
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Solution
The fourth proportional to 2,043,155.07, 2,819,553.99 and 1,184,213.55 is: 1,634,214.70
Step by Step Solution
- Step 1: Write the proportion equation
2,043,155.07 : 2,819,553.99 = 1,184,213.55 : x - Step 2: Convert to fraction form
2,043,155.07/2,819,553.99 = 1,184,213.55/x - Step 3: Cross multiply
2,043,155.07x = 2,819,553.99 × 1,184,213.55 - Step 4: Simplify right side
2,043,155.07x = 3,338,954,039,914.57 - Step 5: Solve for x
x = 3,338,954,039,914.57/2,043,155.07 - Step 6: Final answer
x = 1,634,214.70
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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.