Finding the Fourth Proportional to 2,764,429.20, 4,146,643.80 and 2,292,037.20
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Solution
The fourth proportional to 2,764,429.20, 4,146,643.80 and 2,292,037.20 is: 3,438,055.80
Step by Step Solution
- Step 1: Write the proportion equation
2,764,429.20 : 4,146,643.80 = 2,292,037.20 : x - Step 2: Convert to fraction form
2,764,429.20/4,146,643.80 = 2,292,037.20/x - Step 3: Cross multiply
2,764,429.20x = 4,146,643.80 × 2,292,037.20 - Step 4: Simplify right side
2,764,429.20x = 9,504,261,844,749.36 - Step 5: Solve for x
x = 9,504,261,844,749.36/2,764,429.20 - Step 6: Final answer
x = 3,438,055.80
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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.