Finding the Fourth Proportional to 1,479,352.21, 2,219,091.49 and 580,988.65
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Solution
The fourth proportional to 1,479,352.21, 2,219,091.49 and 580,988.65 is: 871,507.79
Step by Step Solution
- Step 1: Write the proportion equation
1,479,352.21 : 2,219,091.49 = 580,988.65 : x - Step 2: Convert to fraction form
1,479,352.21/2,219,091.49 = 580,988.65/x - Step 3: Cross multiply
1,479,352.21x = 2,219,091.49 × 580,988.65 - Step 4: Simplify right side
1,479,352.21x = 1,289,266,968,340.89 - Step 5: Solve for x
x = 1,289,266,968,340.89/1,479,352.21 - Step 6: Final answer
x = 871,507.79
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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.