Finding the Fourth Proportional to 3,622,923.70, 5,434,385.55 and 1,492,299.70
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Solution
The fourth proportional to 3,622,923.70, 5,434,385.55 and 1,492,299.70 is: 2,238,449.55
Step by Step Solution
- Step 1: Write the proportion equation
3,622,923.70 : 5,434,385.55 = 1,492,299.70 : x - Step 2: Convert to fraction form
3,622,923.70/5,434,385.55 = 1,492,299.70/x - Step 3: Cross multiply
3,622,923.70x = 5,434,385.55 × 1,492,299.70 - Step 4: Simplify right side
3,622,923.70x = 8,109,731,925,949.33 - Step 5: Solve for x
x = 8,109,731,925,949.33/3,622,923.70 - Step 6: Final answer
x = 2,238,449.55
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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.