Finding the Fourth Proportional to 3,782,244.90, 5,219,473.71 and 2,150,652.66
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Solution
The fourth proportional to 3,782,244.90, 5,219,473.71 and 2,150,652.66 is: 2,967,886.88
Step by Step Solution
- Step 1: Write the proportion equation
3,782,244.90 : 5,219,473.71 = 2,150,652.66 : x - Step 2: Convert to fraction form
3,782,244.90/5,219,473.71 = 2,150,652.66/x - Step 3: Cross multiply
3,782,244.90x = 5,219,473.71 × 2,150,652.66 - Step 4: Simplify right side
3,782,244.90x = 11,225,275,018,211.57 - Step 5: Solve for x
x = 11,225,275,018,211.57/3,782,244.90 - Step 6: Final answer
x = 2,967,886.88
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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.