Finding the Fourth Proportional to 3,397,662.99, 4,687,719.21 and 1,927,329.39
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Solution
The fourth proportional to 3,397,662.99, 4,687,719.21 and 1,927,329.39 is: 2,659,115.70
Step by Step Solution
- Step 1: Write the proportion equation
3,397,662.99 : 4,687,719.21 = 1,927,329.39 : x - Step 2: Convert to fraction form
3,397,662.99/4,687,719.21 = 1,927,329.39/x - Step 3: Cross multiply
3,397,662.99x = 4,687,719.21 × 1,927,329.39 - Step 4: Simplify right side
3,397,662.99x = 9,034,779,005,500.58 - Step 5: Solve for x
x = 9,034,779,005,500.58/3,397,662.99 - Step 6: Final answer
x = 2,659,115.70
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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.