Finding the Fourth Proportional to 4,288,025.53, 6,430,672.60 and 1,408,723.99
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Solution
The fourth proportional to 4,288,025.53, 6,430,672.60 and 1,408,723.99 is: 2,112,637.32
Step by Step Solution
- Step 1: Write the proportion equation
4,288,025.53 : 6,430,672.60 = 1,408,723.99 : x - Step 2: Convert to fraction form
4,288,025.53/6,430,672.60 = 1,408,723.99/x - Step 3: Cross multiply
4,288,025.53x = 6,430,672.60 × 1,408,723.99 - Step 4: Simplify right side
4,288,025.53x = 9,059,042,763,455.67 - Step 5: Solve for x
x = 9,059,042,763,455.67/4,288,025.53 - Step 6: Final answer
x = 2,112,637.32
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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.