Finding the Fourth Proportional to 2,479,353.84, 3,421,245.35 and 1,391,745.06
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Solution
The fourth proportional to 2,479,353.84, 3,421,245.35 and 1,391,745.06 is: 1,920,460.58
Step by Step Solution
- Step 1: Write the proportion equation
2,479,353.84 : 3,421,245.35 = 1,391,745.06 : x - Step 2: Convert to fraction form
2,479,353.84/3,421,245.35 = 1,391,745.06/x - Step 3: Cross multiply
2,479,353.84x = 3,421,245.35 × 1,391,745.06 - Step 4: Simplify right side
2,479,353.84x = 4,761,501,318,389.83 - Step 5: Solve for x
x = 4,761,501,318,389.83/2,479,353.84 - Step 6: Final answer
x = 1,920,460.58
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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.