Finding the Fourth Proportional to 3,714,675.12, 5,124,079.80 and 2,335,836.60
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Solution
The fourth proportional to 3,714,675.12, 5,124,079.80 and 2,335,836.60 is: 3,222,088.81
Step by Step Solution
- Step 1: Write the proportion equation
3,714,675.12 : 5,124,079.80 = 2,335,836.60 : x - Step 2: Convert to fraction form
3,714,675.12/5,124,079.80 = 2,335,836.60/x - Step 3: Cross multiply
3,714,675.12x = 5,124,079.80 × 2,335,836.60 - Step 4: Simplify right side
3,714,675.12x = 11,969,013,138,160.68 - Step 5: Solve for x
x = 11,969,013,138,160.68/3,714,675.12 - Step 6: Final answer
x = 3,222,088.81
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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.