Finding the Fourth Proportional to 1,340,163.68, 2,010,542.04 and 441,569.12
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Solution
The fourth proportional to 1,340,163.68, 2,010,542.04 and 441,569.12 is: 662,451.38
Step by Step Solution
- Step 1: Write the proportion equation
1,340,163.68 : 2,010,542.04 = 441,569.12 : x - Step 2: Convert to fraction form
1,340,163.68/2,010,542.04 = 441,569.12/x - Step 3: Cross multiply
1,340,163.68x = 2,010,542.04 × 441,569.12 - Step 4: Simplify right side
1,340,163.68x = 887,793,279,325.81 - Step 5: Solve for x
x = 887,793,279,325.81/1,340,163.68 - Step 6: Final answer
x = 662,451.38
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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.