Finding the Fourth Proportional to 5,388,930.60, 8,083,395.90 and 2,397,114.60
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Solution
The fourth proportional to 5,388,930.60, 8,083,395.90 and 2,397,114.60 is: 3,595,671.90
Step by Step Solution
- Step 1: Write the proportion equation
5,388,930.60 : 8,083,395.90 = 2,397,114.60 : x - Step 2: Convert to fraction form
5,388,930.60/8,083,395.90 = 2,397,114.60/x - Step 3: Cross multiply
5,388,930.60x = 8,083,395.90 × 2,397,114.60 - Step 4: Simplify right side
5,388,930.60x = 19,376,826,329,470.14 - Step 5: Solve for x
x = 19,376,826,329,470.14/5,388,930.60 - Step 6: Final answer
x = 3,595,671.90
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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.