Finding the Fourth Proportional to 1,790,269.28, 2,470,636.79 and 974,433.53
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Solution
The fourth proportional to 1,790,269.28, 2,470,636.79 and 974,433.53 is: 1,344,753.74
Step by Step Solution
- Step 1: Write the proportion equation
1,790,269.28 : 2,470,636.79 = 974,433.53 : x - Step 2: Convert to fraction form
1,790,269.28/2,470,636.79 = 974,433.53/x - Step 3: Cross multiply
1,790,269.28x = 2,470,636.79 × 974,433.53 - Step 4: Simplify right side
1,790,269.28x = 2,407,471,311,402.22 - Step 5: Solve for x
x = 2,407,471,311,402.22/1,790,269.28 - Step 6: Final answer
x = 1,344,753.74
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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.