Finding the Fourth Proportional to 4,812,204.09, 7,216,148.28 and 2,867,850.87
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Solution
The fourth proportional to 4,812,204.09, 7,216,148.28 and 2,867,850.87 is: 4,300,490.32
Step by Step Solution
- Step 1: Write the proportion equation
4,812,204.09 : 7,216,148.28 = 2,867,850.87 : x - Step 2: Convert to fraction form
4,812,204.09/7,216,148.28 = 2,867,850.87/x - Step 3: Cross multiply
4,812,204.09x = 7,216,148.28 × 2,867,850.87 - Step 4: Simplify right side
4,812,204.09x = 20,694,837,122,847.00 - Step 5: Solve for x
x = 20,694,837,122,847.00/4,812,204.09 - Step 6: Final answer
x = 4,300,490.32
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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.