Finding the Fourth Proportional to 3,852,665.26, 5,774,819.42 and 1,928,937.06
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Solution
The fourth proportional to 3,852,665.26, 5,774,819.42 and 1,928,937.06 is: 2,891,313.53
Step by Step Solution
- Step 1: Write the proportion equation
3,852,665.26 : 5,774,819.42 = 1,928,937.06 : x - Step 2: Convert to fraction form
3,852,665.26/5,774,819.42 = 1,928,937.06/x - Step 3: Cross multiply
3,852,665.26x = 5,774,819.42 × 1,928,937.06 - Step 4: Simplify right side
3,852,665.26x = 11,139,263,179,921.75 - Step 5: Solve for x
x = 11,139,263,179,921.75/3,852,665.26 - Step 6: Final answer
x = 2,891,313.53
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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.