Finding the Fourth Proportional to 1,467,721.08, 2,201,785.62 and 520,866.60
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Solution
The fourth proportional to 1,467,721.08, 2,201,785.62 and 520,866.60 is: 781,372.30
Step by Step Solution
- Step 1: Write the proportion equation
1,467,721.08 : 2,201,785.62 = 520,866.60 : x - Step 2: Convert to fraction form
1,467,721.08/2,201,785.62 = 520,866.60/x - Step 3: Cross multiply
1,467,721.08x = 2,201,785.62 × 520,866.60 - Step 4: Simplify right side
1,467,721.08x = 1,146,836,589,818.29 - Step 5: Solve for x
x = 1,146,836,589,818.29/1,467,721.08 - Step 6: Final answer
x = 781,372.30
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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.