Finding the Fourth Proportional to 2,068,780.66, 3,103,139.84 and 930,739.21
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Solution
The fourth proportional to 2,068,780.66, 3,103,139.84 and 930,739.21 is: 1,396,094.80
Step by Step Solution
- Step 1: Write the proportion equation
2,068,780.66 : 3,103,139.84 = 930,739.21 : x - Step 2: Convert to fraction form
2,068,780.66/3,103,139.84 = 930,739.21/x - Step 3: Cross multiply
2,068,780.66x = 3,103,139.84 × 930,739.21 - Step 4: Simplify right side
2,068,780.66x = 2,888,213,910,789.58 - Step 5: Solve for x
x = 2,888,213,910,789.58/2,068,780.66 - Step 6: Final answer
x = 1,396,094.80
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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.