Finding the Fourth Proportional to 2,149,683.84, 3,221,620.56 and 819,262.08
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Solution
The fourth proportional to 2,149,683.84, 3,221,620.56 and 819,262.08 is: 1,227,785.92
Step by Step Solution
- Step 1: Write the proportion equation
2,149,683.84 : 3,221,620.56 = 819,262.08 : x - Step 2: Convert to fraction form
2,149,683.84/3,221,620.56 = 819,262.08/x - Step 3: Cross multiply
2,149,683.84x = 3,221,620.56 × 819,262.08 - Step 4: Simplify right side
2,149,683.84x = 2,639,351,560,956.36 - Step 5: Solve for x
x = 2,639,351,560,956.36/2,149,683.84 - Step 6: Final answer
x = 1,227,785.92
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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.