Finding the Fourth Proportional to 1,790,321.94, 2,470,695.21 and 974,578.23
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Solution
The fourth proportional to 1,790,321.94, 2,470,695.21 and 974,578.23 is: 1,344,945.68
Step by Step Solution
- Step 1: Write the proportion equation
1,790,321.94 : 2,470,695.21 = 974,578.23 : x - Step 2: Convert to fraction form
1,790,321.94/2,470,695.21 = 974,578.23/x - Step 3: Cross multiply
1,790,321.94x = 2,470,695.21 × 974,578.23 - Step 4: Simplify right side
1,790,321.94x = 2,407,885,764,631.28 - Step 5: Solve for x
x = 2,407,885,764,631.28/1,790,321.94 - Step 6: Final answer
x = 1,344,945.68
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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.