Finding the Fourth Proportional to 1,579,281.84, 2,179,408.94 and 854,129.56
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Solution
The fourth proportional to 1,579,281.84, 2,179,408.94 and 854,129.56 is: 1,178,698.79
Step by Step Solution
- Step 1: Write the proportion equation
1,579,281.84 : 2,179,408.94 = 854,129.56 : x - Step 2: Convert to fraction form
1,579,281.84/2,179,408.94 = 854,129.56/x - Step 3: Cross multiply
1,579,281.84x = 2,179,408.94 × 854,129.56 - Step 4: Simplify right side
1,579,281.84x = 1,861,497,598,982.27 - Step 5: Solve for x
x = 1,861,497,598,982.27/1,579,281.84 - Step 6: Final answer
x = 1,178,698.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.