Finding the Fourth Proportional to 4,848,512.80, 6,689,464.96 and 2,810,915.68
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Solution
The fourth proportional to 4,848,512.80, 6,689,464.96 and 2,810,915.68 is: 3,878,204.04
Step by Step Solution
- Step 1: Write the proportion equation
4,848,512.80 : 6,689,464.96 = 2,810,915.68 : x - Step 2: Convert to fraction form
4,848,512.80/6,689,464.96 = 2,810,915.68/x - Step 3: Cross multiply
4,848,512.80x = 6,689,464.96 × 2,810,915.68 - Step 4: Simplify right side
4,848,512.80x = 18,803,521,946,874.57 - Step 5: Solve for x
x = 18,803,521,946,874.57/4,848,512.80 - Step 6: Final answer
x = 3,878,204.04
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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.