Finding the Fourth Proportional to 3,784,507.87, 5,677,665.76 and 1,260,184.99
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Solution
The fourth proportional to 3,784,507.87, 5,677,665.76 and 1,260,184.99 is: 1,890,578.48
Step by Step Solution
- Step 1: Write the proportion equation
3,784,507.87 : 5,677,665.76 = 1,260,184.99 : x - Step 2: Convert to fraction form
3,784,507.87/5,677,665.76 = 1,260,184.99/x - Step 3: Cross multiply
3,784,507.87x = 5,677,665.76 × 1,260,184.99 - Step 4: Simplify right side
3,784,507.87x = 7,154,909,134,299.69 - Step 5: Solve for x
x = 7,154,909,134,299.69/3,784,507.87 - Step 6: Final answer
x = 1,890,578.48
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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.