Finding the Fourth Proportional to 1,420,257.40, 2,126,886.90 and 944,366.20
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Solution
The fourth proportional to 1,420,257.40, 2,126,886.90 and 944,366.20 is: 1,414,222.59
Step by Step Solution
- Step 1: Write the proportion equation
1,420,257.40 : 2,126,886.90 = 944,366.20 : x - Step 2: Convert to fraction form
1,420,257.40/2,126,886.90 = 944,366.20/x - Step 3: Cross multiply
1,420,257.40x = 2,126,886.90 × 944,366.20 - Step 4: Simplify right side
1,420,257.40x = 2,008,560,099,582.78 - Step 5: Solve for x
x = 2,008,560,099,582.78/1,420,257.40 - Step 6: Final answer
x = 1,414,222.59
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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.