Finding the Fourth Proportional to 3,834,217.92, 5,291,184.24 and 2,115,352.32
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Solution
The fourth proportional to 3,834,217.92, 5,291,184.24 and 2,115,352.32 is: 2,919,166.07
Step by Step Solution
- Step 1: Write the proportion equation
3,834,217.92 : 5,291,184.24 = 2,115,352.32 : x - Step 2: Convert to fraction form
3,834,217.92/5,291,184.24 = 2,115,352.32/x - Step 3: Cross multiply
3,834,217.92x = 5,291,184.24 × 2,115,352.32 - Step 4: Simplify right side
3,834,217.92x = 11,192,718,857,631.44 - Step 5: Solve for x
x = 11,192,718,857,631.44/3,834,217.92 - Step 6: Final answer
x = 2,919,166.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.