Finding the Fourth Proportional to 3,639,401.05, 5,022,390.14 and 2,007,807.81
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Solution
The fourth proportional to 3,639,401.05, 5,022,390.14 and 2,007,807.81 is: 2,770,783.99
Step by Step Solution
- Step 1: Write the proportion equation
3,639,401.05 : 5,022,390.14 = 2,007,807.81 : x - Step 2: Convert to fraction form
3,639,401.05/5,022,390.14 = 2,007,807.81/x - Step 3: Cross multiply
3,639,401.05x = 5,022,390.14 × 2,007,807.81 - Step 4: Simplify right side
3,639,401.05x = 10,083,994,167,576.16 - Step 5: Solve for x
x = 10,083,994,167,576.16/3,639,401.05 - Step 6: Final answer
x = 2,770,783.99
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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.