Finding the Fourth Proportional to 1,557,326.20, 2,335,551.90 and 492,694.60
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Solution
The fourth proportional to 1,557,326.20, 2,335,551.90 and 492,694.60 is: 738,903.52
Step by Step Solution
- Step 1: Write the proportion equation
1,557,326.20 : 2,335,551.90 = 492,694.60 : x - Step 2: Convert to fraction form
1,557,326.20/2,335,551.90 = 492,694.60/x - Step 3: Cross multiply
1,557,326.20x = 2,335,551.90 × 492,694.60 - Step 4: Simplify right side
1,557,326.20x = 1,150,713,809,149.74 - Step 5: Solve for x
x = 1,150,713,809,149.74/1,557,326.20 - Step 6: Final answer
x = 738,903.52
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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.