Finding the Fourth Proportional to 3,130,800.66, 4,329,201.74 and 2,485,099.85
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Solution
The fourth proportional to 3,130,800.66, 4,329,201.74 and 2,485,099.85 is: 3,436,340.96
Step by Step Solution
- Step 1: Write the proportion equation
3,130,800.66 : 4,329,201.74 = 2,485,099.85 : x - Step 2: Convert to fraction form
3,130,800.66/4,329,201.74 = 2,485,099.85/x - Step 3: Cross multiply
3,130,800.66x = 4,329,201.74 × 2,485,099.85 - Step 4: Simplify right side
3,130,800.66x = 10,758,498,560,622.23 - Step 5: Solve for x
x = 10,758,498,560,622.23/3,130,800.66 - Step 6: Final answer
x = 3,436,340.96
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1.5x scale
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.