Finding the Fourth Proportional to 1,605,529.10, 2,408,695.20 and 1,133,137.10
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Solution
The fourth proportional to 1,605,529.10, 2,408,695.20 and 1,133,137.10 is: 1,699,989.05
Step by Step Solution
- Step 1: Write the proportion equation
1,605,529.10 : 2,408,695.20 = 1,133,137.10 : x - Step 2: Convert to fraction form
1,605,529.10/2,408,695.20 = 1,133,137.10/x - Step 3: Cross multiply
1,605,529.10x = 2,408,695.20 × 1,133,137.10 - Step 4: Simplify right side
1,605,529.10x = 2,729,381,881,668.44 - Step 5: Solve for x
x = 2,729,381,881,668.44/1,605,529.10 - Step 6: Final answer
x = 1,699,989.05
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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.