Finding the Fourth Proportional to 2,020,924.70, 3,028,761.36 and 821,449.94
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Solution
The fourth proportional to 2,020,924.70, 3,028,761.36 and 821,449.94 is: 1,231,107.64
Step by Step Solution
- Step 1: Write the proportion equation
2,020,924.70 : 3,028,761.36 = 821,449.94 : x - Step 2: Convert to fraction form
2,020,924.70/3,028,761.36 = 821,449.94/x - Step 3: Cross multiply
2,020,924.70x = 3,028,761.36 × 821,449.94 - Step 4: Simplify right side
2,020,924.70x = 2,487,975,837,446.32 - Step 5: Solve for x
x = 2,487,975,837,446.32/2,020,924.70 - Step 6: Final answer
x = 1,231,107.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.