Finding the Fourth Proportional to 4,842,823.62, 7,263,243.97 and 1,809,629.58
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Solution
The fourth proportional to 4,842,823.62, 7,263,243.97 and 1,809,629.58 is: 2,714,073.89
Step by Step Solution
- Step 1: Write the proportion equation
4,842,823.62 : 7,263,243.97 = 1,809,629.58 : x - Step 2: Convert to fraction form
4,842,823.62/7,263,243.97 = 1,809,629.58/x - Step 3: Cross multiply
4,842,823.62x = 7,263,243.97 × 1,809,629.58 - Step 4: Simplify right side
4,842,823.62x = 13,143,781,134,868.63 - Step 5: Solve for x
x = 13,143,781,134,868.63/4,842,823.62 - Step 6: Final answer
x = 2,714,073.89
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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.