Finding the Fourth Proportional to 2,258,511.21, 3,387,768.97 and 1,858,310.71
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Solution
The fourth proportional to 2,258,511.21, 3,387,768.97 and 1,858,310.71 is: 2,787,467.84
Step by Step Solution
- Step 1: Write the proportion equation
2,258,511.21 : 3,387,768.97 = 1,858,310.71 : x - Step 2: Convert to fraction form
2,258,511.21/3,387,768.97 = 1,858,310.71/x - Step 3: Cross multiply
2,258,511.21x = 3,387,768.97 × 1,858,310.71 - Step 4: Simplify right side
2,258,511.21x = 6,295,527,359,956.67 - Step 5: Solve for x
x = 6,295,527,359,956.67/2,258,511.21 - Step 6: Final answer
x = 2,787,467.84
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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.