Finding the Fourth Proportional to 3,608,782.69, 4,980,119.99 and 1,977,251.86
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Solution
The fourth proportional to 3,608,782.69, 4,980,119.99 and 1,977,251.86 is: 2,728,607.50
Step by Step Solution
- Step 1: Write the proportion equation
3,608,782.69 : 4,980,119.99 = 1,977,251.86 : x - Step 2: Convert to fraction form
3,608,782.69/4,980,119.99 = 1,977,251.86/x - Step 3: Cross multiply
3,608,782.69x = 4,980,119.99 × 1,977,251.86 - Step 4: Simplify right side
3,608,782.69x = 9,846,951,513,250.68 - Step 5: Solve for x
x = 9,846,951,513,250.68/3,608,782.69 - Step 6: Final answer
x = 2,728,607.50
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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.