Finding the Fourth Proportional to 4,611,434.24, 6,363,886.56 and 2,892,627.20
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Solution
The fourth proportional to 4,611,434.24, 6,363,886.56 and 2,892,627.20 is: 3,991,892.85
Step by Step Solution
- Step 1: Write the proportion equation
4,611,434.24 : 6,363,886.56 = 2,892,627.20 : x - Step 2: Convert to fraction form
4,611,434.24/6,363,886.56 = 2,892,627.20/x - Step 3: Cross multiply
4,611,434.24x = 6,363,886.56 × 2,892,627.20 - Step 4: Simplify right side
4,611,434.24x = 18,408,351,361,170.43 - Step 5: Solve for x
x = 18,408,351,361,170.43/4,611,434.24 - Step 6: Final answer
x = 3,991,892.85
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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.