Finding the Fourth Proportional to 2,479,098.56, 3,421,163.12 and 1,376,532.36
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Solution
The fourth proportional to 2,479,098.56, 3,421,163.12 and 1,376,532.36 is: 1,899,618.60
Step by Step Solution
- Step 1: Write the proportion equation
2,479,098.56 : 3,421,163.12 = 1,376,532.36 : x - Step 2: Convert to fraction form
2,479,098.56/3,421,163.12 = 1,376,532.36/x - Step 3: Cross multiply
2,479,098.56x = 3,421,163.12 × 1,376,532.36 - Step 4: Simplify right side
2,479,098.56x = 4,709,341,743,518.56 - Step 5: Solve for x
x = 4,709,341,743,518.56/2,479,098.56 - Step 6: Final answer
x = 1,899,618.60
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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.