Finding the Fourth Proportional to 1,694,120.12, 2,540,641.28 and 556,620.12
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Solution
The fourth proportional to 1,694,120.12, 2,540,641.28 and 556,620.12 is: 834,753.12
Step by Step Solution
- Step 1: Write the proportion equation
1,694,120.12 : 2,540,641.28 = 556,620.12 : x - Step 2: Convert to fraction form
1,694,120.12/2,540,641.28 = 556,620.12/x - Step 3: Cross multiply
1,694,120.12x = 2,540,641.28 × 556,620.12 - Step 4: Simplify right side
1,694,120.12x = 1,414,172,051,367.45 - Step 5: Solve for x
x = 1,414,172,051,367.45/1,694,120.12 - Step 6: Final answer
x = 834,753.12
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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.