Finding the Fourth Proportional to 3,130,917.97, 4,697,983.87 and 1,491,451.87
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Solution
The fourth proportional to 3,130,917.97, 4,697,983.87 and 1,491,451.87 is: 2,237,943.29
Step by Step Solution
- Step 1: Write the proportion equation
3,130,917.97 : 4,697,983.87 = 1,491,451.87 : x - Step 2: Convert to fraction form
3,130,917.97/4,697,983.87 = 1,491,451.87/x - Step 3: Cross multiply
3,130,917.97x = 4,697,983.87 × 1,491,451.87 - Step 4: Simplify right side
3,130,917.97x = 7,006,816,836,157.67 - Step 5: Solve for x
x = 7,006,816,836,157.67/3,130,917.97 - Step 6: Final answer
x = 2,237,943.29
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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.