Finding the Fourth Proportional to 5,429,044.63, 8,143,562.31 and 1,385,532.12
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Solution
The fourth proportional to 5,429,044.63, 8,143,562.31 and 1,385,532.12 is: 2,078,297.00
Step by Step Solution
- Step 1: Write the proportion equation
5,429,044.63 : 8,143,562.31 = 1,385,532.12 : x - Step 2: Convert to fraction form
5,429,044.63/8,143,562.31 = 1,385,532.12/x - Step 3: Cross multiply
5,429,044.63x = 8,143,562.31 × 1,385,532.12 - Step 4: Simplify right side
5,429,044.63x = 11,283,167,188,759.44 - Step 5: Solve for x
x = 11,283,167,188,759.44/5,429,044.63 - Step 6: Final answer
x = 2,078,297.00
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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.