Finding the Fourth Proportional to 3,840,504.84, 5,756,713.74 and 1,281,034.44
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Solution
The fourth proportional to 3,840,504.84, 5,756,713.74 and 1,281,034.44 is: 1,920,202.91
Step by Step Solution
- Step 1: Write the proportion equation
3,840,504.84 : 5,756,713.74 = 1,281,034.44 : x - Step 2: Convert to fraction form
3,840,504.84/5,756,713.74 = 1,281,034.44/x - Step 3: Cross multiply
3,840,504.84x = 5,756,713.74 × 1,281,034.44 - Step 4: Simplify right side
3,840,504.84x = 7,374,548,562,161.21 - Step 5: Solve for x
x = 7,374,548,562,161.21/3,840,504.84 - Step 6: Final answer
x = 1,920,202.91
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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.