Finding the Fourth Proportional to 1,524,286.20, 2,103,363.36 and 879,913.98
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Solution
The fourth proportional to 1,524,286.20, 2,103,363.36 and 879,913.98 is: 1,214,193.78
Step by Step Solution
- Step 1: Write the proportion equation
1,524,286.20 : 2,103,363.36 = 879,913.98 : x - Step 2: Convert to fraction form
1,524,286.20/2,103,363.36 = 879,913.98/x - Step 3: Cross multiply
1,524,286.20x = 2,103,363.36 × 879,913.98 - Step 4: Simplify right side
1,524,286.20x = 1,850,778,825,483.77 - Step 5: Solve for x
x = 1,850,778,825,483.77/1,524,286.20 - Step 6: Final answer
x = 1,214,193.78
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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.