Finding the Fourth Proportional to 2,998,757.16, 4,498,135.74 and 868,842.72
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Solution
The fourth proportional to 2,998,757.16, 4,498,135.74 and 868,842.72 is: 1,303,264.08
Step by Step Solution
- Step 1: Write the proportion equation
2,998,757.16 : 4,498,135.74 = 868,842.72 : x - Step 2: Convert to fraction form
2,998,757.16/4,498,135.74 = 868,842.72/x - Step 3: Cross multiply
2,998,757.16x = 4,498,135.74 × 868,842.72 - Step 4: Simplify right side
2,998,757.16x = 3,908,172,491,270.81 - Step 5: Solve for x
x = 3,908,172,491,270.81/2,998,757.16 - Step 6: Final answer
x = 1,303,264.08
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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.