Finding the Fourth Proportional to 2,043,467.19, 2,819,984.90 and 1,184,525.91
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Solution
The fourth proportional to 2,043,467.19, 2,819,984.90 and 1,184,525.91 is: 1,634,645.86
Step by Step Solution
- Step 1: Write the proportion equation
2,043,467.19 : 2,819,984.90 = 1,184,525.91 : x - Step 2: Convert to fraction form
2,043,467.19/2,819,984.90 = 1,184,525.91/x - Step 3: Cross multiply
2,043,467.19x = 2,819,984.90 × 1,184,525.91 - Step 4: Simplify right side
2,043,467.19x = 3,340,345,173,936.13 - Step 5: Solve for x
x = 3,340,345,173,936.13/2,043,467.19 - Step 6: Final answer
x = 1,634,645.86
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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.