Finding the Fourth Proportional to 1,820,479.36, 2,512,256.26 and 1,004,677.12
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Solution
The fourth proportional to 1,820,479.36, 2,512,256.26 and 1,004,677.12 is: 1,386,451.52
Step by Step Solution
- Step 1: Write the proportion equation
1,820,479.36 : 2,512,256.26 = 1,004,677.12 : x - Step 2: Convert to fraction form
1,820,479.36/2,512,256.26 = 1,004,677.12/x - Step 3: Cross multiply
1,820,479.36x = 2,512,256.26 × 1,004,677.12 - Step 4: Simplify right side
1,820,479.36x = 2,524,006,383,998.77 - Step 5: Solve for x
x = 2,524,006,383,998.77/1,820,479.36 - Step 6: Final answer
x = 1,386,451.52
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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.