Finding the Fourth Proportional to 1,544,236.12, 2,315,564.42 and 645,432.58
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Solution
The fourth proportional to 1,544,236.12, 2,315,564.42 and 645,432.58 is: 967,818.78
Step by Step Solution
- Step 1: Write the proportion equation
1,544,236.12 : 2,315,564.42 = 645,432.58 : x - Step 2: Convert to fraction form
1,544,236.12/2,315,564.42 = 645,432.58/x - Step 3: Cross multiply
1,544,236.12x = 2,315,564.42 × 645,432.58 - Step 4: Simplify right side
1,544,236.12x = 1,494,540,717,756.80 - Step 5: Solve for x
x = 1,494,540,717,756.80/1,544,236.12 - Step 6: Final answer
x = 967,818.78
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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.