Finding the Fourth Proportional to 3,549,471.09, 4,899,273.56 and 2,099,670.58
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Solution
The fourth proportional to 3,549,471.09, 4,899,273.56 and 2,099,670.58 is: 2,898,138.99
Step by Step Solution
- Step 1: Write the proportion equation
3,549,471.09 : 4,899,273.56 = 2,099,670.58 : x - Step 2: Convert to fraction form
3,549,471.09/4,899,273.56 = 2,099,670.58/x - Step 3: Cross multiply
3,549,471.09x = 4,899,273.56 × 2,099,670.58 - Step 4: Simplify right side
3,549,471.09x = 10,286,860,557,303.87 - Step 5: Solve for x
x = 10,286,860,557,303.87/3,549,471.09 - Step 6: Final answer
x = 2,898,138.99
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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.