Finding the Fourth Proportional to 1,704,589.64, 2,352,736.31 and 979,857.80
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Solution
The fourth proportional to 1,704,589.64, 2,352,736.31 and 979,857.80 is: 1,352,435.20
Step by Step Solution
- Step 1: Write the proportion equation
1,704,589.64 : 2,352,736.31 = 979,857.80 : x - Step 2: Convert to fraction form
1,704,589.64/2,352,736.31 = 979,857.80/x - Step 3: Cross multiply
1,704,589.64x = 2,352,736.31 × 979,857.80 - Step 4: Simplify right side
1,704,589.64x = 2,305,347,024,696.72 - Step 5: Solve for x
x = 2,305,347,024,696.72/1,704,589.64 - Step 6: Final answer
x = 1,352,435.20
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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.