Finding the Fourth Proportional to 3,552,043.40, 5,325,440.70 and 1,956,408.20
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Solution
The fourth proportional to 3,552,043.40, 5,325,440.70 and 1,956,408.20 is: 2,933,166.82
Step by Step Solution
- Step 1: Write the proportion equation
3,552,043.40 : 5,325,440.70 = 1,956,408.20 : x - Step 2: Convert to fraction form
3,552,043.40/5,325,440.70 = 1,956,408.20/x - Step 3: Cross multiply
3,552,043.40x = 5,325,440.70 × 1,956,408.20 - Step 4: Simplify right side
3,552,043.40x = 10,418,735,854,093.74 - Step 5: Solve for x
x = 10,418,735,854,093.74/3,552,043.40 - Step 6: Final answer
x = 2,933,166.82
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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.