Finding the Fourth Proportional to 2,807,419.91, 3,874,251.14 and 1,518,260.32
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Solution
The fourth proportional to 2,807,419.91, 3,874,251.14 and 1,518,260.32 is: 2,095,205.55
Step by Step Solution
- Step 1: Write the proportion equation
2,807,419.91 : 3,874,251.14 = 1,518,260.32 : x - Step 2: Convert to fraction form
2,807,419.91/3,874,251.14 = 1,518,260.32/x - Step 3: Cross multiply
2,807,419.91x = 3,874,251.14 × 1,518,260.32 - Step 4: Simplify right side
2,807,419.91x = 5,882,121,775,576.77 - Step 5: Solve for x
x = 5,882,121,775,576.77/2,807,419.91 - Step 6: Final answer
x = 2,095,205.55
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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.