Finding the Fourth Proportional to 2,583,619.21, 3,865,950.52 and 2,156,099.68
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Solution
The fourth proportional to 2,583,619.21, 3,865,950.52 and 2,156,099.68 is: 3,226,239.63
Step by Step Solution
- Step 1: Write the proportion equation
2,583,619.21 : 3,865,950.52 = 2,156,099.68 : x - Step 2: Convert to fraction form
2,583,619.21/3,865,950.52 = 2,156,099.68/x - Step 3: Cross multiply
2,583,619.21x = 3,865,950.52 × 2,156,099.68 - Step 4: Simplify right side
2,583,619.21x = 8,335,374,664,012.71 - Step 5: Solve for x
x = 8,335,374,664,012.71/2,583,619.21 - Step 6: Final answer
x = 3,226,239.63
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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.