Finding the Fourth Proportional to 3,036,354.05, 4,187,454.77 and 2,519,289.44
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Solution
The fourth proportional to 3,036,354.05, 4,187,454.77 and 2,519,289.44 is: 3,474,367.75
Step by Step Solution
- Step 1: Write the proportion equation
3,036,354.05 : 4,187,454.77 = 2,519,289.44 : x - Step 2: Convert to fraction form
3,036,354.05/4,187,454.77 = 2,519,289.44/x - Step 3: Cross multiply
3,036,354.05x = 4,187,454.77 × 2,519,289.44 - Step 4: Simplify right side
3,036,354.05x = 10,549,410,583,602.54 - Step 5: Solve for x
x = 10,549,410,583,602.54/3,036,354.05 - Step 6: Final answer
x = 3,474,367.75
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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.