Finding the Fourth Proportional to 3,747,219.12, 5,620,984.08 and 1,087,827.12
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Solution
The fourth proportional to 3,747,219.12, 5,620,984.08 and 1,087,827.12 is: 1,631,785.79
Step by Step Solution
- Step 1: Write the proportion equation
3,747,219.12 : 5,620,984.08 = 1,087,827.12 : x - Step 2: Convert to fraction form
3,747,219.12/5,620,984.08 = 1,087,827.12/x - Step 3: Cross multiply
3,747,219.12x = 5,620,984.08 × 1,087,827.12 - Step 4: Simplify right side
3,747,219.12x = 6,114,658,923,312.25 - Step 5: Solve for x
x = 6,114,658,923,312.25/3,747,219.12 - Step 6: Final answer
x = 1,631,785.79
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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.