Finding the Fourth Proportional to 2,877,021.81, 4,316,243.12 and 855,257.15
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Solution
The fourth proportional to 2,877,021.81, 4,316,243.12 and 855,257.15 is: 1,283,096.90
Step by Step Solution
- Step 1: Write the proportion equation
2,877,021.81 : 4,316,243.12 = 855,257.15 : x - Step 2: Convert to fraction form
2,877,021.81/4,316,243.12 = 855,257.15/x - Step 3: Cross multiply
2,877,021.81x = 4,316,243.12 × 855,257.15 - Step 4: Simplify right side
2,877,021.81x = 3,691,497,763,660.81 - Step 5: Solve for x
x = 3,691,497,763,660.81/2,877,021.81 - Step 6: Final answer
x = 1,283,096.90
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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.