Finding the Fourth Proportional to 1,520,252.32, 2,100,226.93 and 998,201.49
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Solution
The fourth proportional to 1,520,252.32, 2,100,226.93 and 998,201.49 is: 1,379,014.28
Step by Step Solution
- Step 1: Write the proportion equation
1,520,252.32 : 2,100,226.93 = 998,201.49 : x - Step 2: Convert to fraction form
1,520,252.32/2,100,226.93 = 998,201.49/x - Step 3: Cross multiply
1,520,252.32x = 2,100,226.93 × 998,201.49 - Step 4: Simplify right side
1,520,252.32x = 2,096,449,662,278.65 - Step 5: Solve for x
x = 2,096,449,662,278.65/1,520,252.32 - Step 6: Final answer
x = 1,379,014.28
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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.