Finding the Fourth Proportional to 1,491,921.33, 2,237,879.97 and 692,765.88
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Solution
The fourth proportional to 1,491,921.33, 2,237,879.97 and 692,765.88 is: 1,039,147.88
Step by Step Solution
- Step 1: Write the proportion equation
1,491,921.33 : 2,237,879.97 = 692,765.88 : x - Step 2: Convert to fraction form
1,491,921.33/2,237,879.97 = 692,765.88/x - Step 3: Cross multiply
1,491,921.33x = 2,237,879.97 × 692,765.88 - Step 4: Simplify right side
1,491,921.33x = 1,550,326,886,751.42 - Step 5: Solve for x
x = 1,550,326,886,751.42/1,491,921.33 - Step 6: Final answer
x = 1,039,147.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.