Finding the Fourth Proportional to 3,813,202.83, 5,260,939.60 and 2,159,124.31
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Solution
The fourth proportional to 3,813,202.83, 5,260,939.60 and 2,159,124.31 is: 2,978,866.60
Step by Step Solution
- Step 1: Write the proportion equation
3,813,202.83 : 5,260,939.60 = 2,159,124.31 : x - Step 2: Convert to fraction form
3,813,202.83/5,260,939.60 = 2,159,124.31/x - Step 3: Cross multiply
3,813,202.83x = 5,260,939.60 × 2,159,124.31 - Step 4: Simplify right side
3,813,202.83x = 11,359,022,553,363.08 - Step 5: Solve for x
x = 11,359,022,553,363.08/3,813,202.83 - Step 6: Final answer
x = 2,978,866.60
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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.