Finding the Fourth Proportional to 2,134,589.22, 3,201,423.12 and 675,750.78
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Solution
The fourth proportional to 2,134,589.22, 3,201,423.12 and 675,750.78 is: 1,013,480.32
Step by Step Solution
- Step 1: Write the proportion equation
2,134,589.22 : 3,201,423.12 = 675,750.78 : x - Step 2: Convert to fraction form
2,134,589.22/3,201,423.12 = 675,750.78/x - Step 3: Cross multiply
2,134,589.22x = 3,201,423.12 × 675,750.78 - Step 4: Simplify right side
2,134,589.22x = 2,163,364,170,450.03 - Step 5: Solve for x
x = 2,163,364,170,450.03/2,134,589.22 - Step 6: Final answer
x = 1,013,480.32
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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.