Finding the Fourth Proportional to 1,368,947.24, 2,053,613.84 and 422,394.92
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Solution
The fourth proportional to 1,368,947.24, 2,053,613.84 and 422,394.92 is: 633,651.92
Step by Step Solution
- Step 1: Write the proportion equation
1,368,947.24 : 2,053,613.84 = 422,394.92 : x - Step 2: Convert to fraction form
1,368,947.24/2,053,613.84 = 422,394.92/x - Step 3: Cross multiply
1,368,947.24x = 2,053,613.84 × 422,394.92 - Step 4: Simplify right side
1,368,947.24x = 867,436,053,657.69 - Step 5: Solve for x
x = 867,436,053,657.69/1,368,947.24 - Step 6: Final answer
x = 633,651.92
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1.5x scale
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.