Finding the Fourth Proportional to 4,428,588.60, 6,642,882.90 and 1,436,772.60
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Solution
The fourth proportional to 4,428,588.60, 6,642,882.90 and 1,436,772.60 is: 2,155,158.90
Step by Step Solution
- Step 1: Write the proportion equation
4,428,588.60 : 6,642,882.90 = 1,436,772.60 : x - Step 2: Convert to fraction form
4,428,588.60/6,642,882.90 = 1,436,772.60/x - Step 3: Cross multiply
4,428,588.60x = 6,642,882.90 × 1,436,772.60 - Step 4: Simplify right side
4,428,588.60x = 9,544,312,135,728.54 - Step 5: Solve for x
x = 9,544,312,135,728.54/4,428,588.60 - Step 6: Final answer
x = 2,155,158.90
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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.