Finding the Fourth Proportional to 2,145,291.12, 3,217,932.84 and 547,854.48
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Solution
The fourth proportional to 2,145,291.12, 3,217,932.84 and 547,854.48 is: 821,780.74
Step by Step Solution
- Step 1: Write the proportion equation
2,145,291.12 : 3,217,932.84 = 547,854.48 : x - Step 2: Convert to fraction form
2,145,291.12/3,217,932.84 = 547,854.48/x - Step 3: Cross multiply
2,145,291.12x = 3,217,932.84 × 547,854.48 - Step 4: Simplify right side
2,145,291.12x = 1,762,958,922,733.12 - Step 5: Solve for x
x = 1,762,958,922,733.12/2,145,291.12 - Step 6: Final answer
x = 821,780.74
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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.