Finding the Fourth Proportional to 4,819,874.32, 7,229,836.24 and 1,625,028.18
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Solution
The fourth proportional to 4,819,874.32, 7,229,836.24 and 1,625,028.18 is: 2,437,550.61
Step by Step Solution
- Step 1: Write the proportion equation
4,819,874.32 : 7,229,836.24 = 1,625,028.18 : x - Step 2: Convert to fraction form
4,819,874.32/7,229,836.24 = 1,625,028.18/x - Step 3: Cross multiply
4,819,874.32x = 7,229,836.24 × 1,625,028.18 - Step 4: Simplify right side
4,819,874.32x = 11,748,687,595,610.79 - Step 5: Solve for x
x = 11,748,687,595,610.79/4,819,874.32 - Step 6: Final answer
x = 2,437,550.61
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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.