Finding the Fourth Proportional to 4,812,219.12, 7,216,170.84 and 2,867,865.84
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Solution
The fourth proportional to 4,812,219.12, 7,216,170.84 and 2,867,865.84 is: 4,300,512.78
Step by Step Solution
- Step 1: Write the proportion equation
4,812,219.12 : 7,216,170.84 = 2,867,865.84 : x - Step 2: Convert to fraction form
4,812,219.12/7,216,170.84 = 2,867,865.84/x - Step 3: Cross multiply
4,812,219.12x = 7,216,170.84 × 2,867,865.84 - Step 4: Simplify right side
4,812,219.12x = 20,695,009,847,640.11 - Step 5: Solve for x
x = 20,695,009,847,640.11/4,812,219.12 - Step 6: Final answer
x = 4,300,512.78
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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.