Finding the Fourth Proportional to 3,769,121.57, 5,639,415.35 and 2,232,941.76
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Solution
The fourth proportional to 3,769,121.57, 5,639,415.35 and 2,232,941.76 is: 3,340,960.44
Step by Step Solution
- Step 1: Write the proportion equation
3,769,121.57 : 5,639,415.35 = 2,232,941.76 : x - Step 2: Convert to fraction form
3,769,121.57/5,639,415.35 = 2,232,941.76/x - Step 3: Cross multiply
3,769,121.57x = 5,639,415.35 × 2,232,941.76 - Step 4: Simplify right side
3,769,121.57x = 12,592,486,025,835.30 - Step 5: Solve for x
x = 12,592,486,025,835.30/3,769,121.57 - Step 6: Final answer
x = 3,340,960.44
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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.