Finding the Fourth Proportional to 5,408,953.20, 7,464,124.35 and 2,961,519.84
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Solution
The fourth proportional to 5,408,953.20, 7,464,124.35 and 2,961,519.84 is: 4,086,770.87
Step by Step Solution
- Step 1: Write the proportion equation
5,408,953.20 : 7,464,124.35 = 2,961,519.84 : x - Step 2: Convert to fraction form
5,408,953.20/7,464,124.35 = 2,961,519.84/x - Step 3: Cross multiply
5,408,953.20x = 7,464,124.35 × 2,961,519.84 - Step 4: Simplify right side
5,408,953.20x = 22,105,152,350,752.10 - Step 5: Solve for x
x = 22,105,152,350,752.10/5,408,953.20 - Step 6: Final answer
x = 4,086,770.87
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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.