Finding the Fourth Proportional to 2,119,163.51, 2,925,529.23 and 1,634,640.95
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Solution
The fourth proportional to 2,119,163.51, 2,925,529.23 and 1,634,640.95 is: 2,256,640.35
Step by Step Solution
- Step 1: Write the proportion equation
2,119,163.51 : 2,925,529.23 = 1,634,640.95 : x - Step 2: Convert to fraction form
2,119,163.51/2,925,529.23 = 1,634,640.95/x - Step 3: Cross multiply
2,119,163.51x = 2,925,529.23 × 1,634,640.95 - Step 4: Simplify right side
2,119,163.51x = 4,782,189,865,152.32 - Step 5: Solve for x
x = 4,782,189,865,152.32/2,119,163.51 - Step 6: Final answer
x = 2,256,640.35
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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.