Finding the Fourth Proportional to 2,679,863.20, 4,018,930.94 and 882,318.70
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Solution
The fourth proportional to 2,679,863.20, 4,018,930.94 and 882,318.70 is: 1,323,193.62
Step by Step Solution
- Step 1: Write the proportion equation
2,679,863.20 : 4,018,930.94 = 882,318.70 : x - Step 2: Convert to fraction form
2,679,863.20/4,018,930.94 = 882,318.70/x - Step 3: Cross multiply
2,679,863.20x = 4,018,930.94 × 882,318.70 - Step 4: Simplify right side
2,679,863.20x = 3,545,977,897,864.33 - Step 5: Solve for x
x = 3,545,977,897,864.33/2,679,863.20 - Step 6: Final answer
x = 1,323,193.62
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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.