Finding the Fourth Proportional to 4,340,991.60, 6,509,644.20 and 2,097,817.20
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Solution
The fourth proportional to 4,340,991.60, 6,509,644.20 and 2,097,817.20 is: 3,145,835.06
Step by Step Solution
- Step 1: Write the proportion equation
4,340,991.60 : 6,509,644.20 = 2,097,817.20 : x - Step 2: Convert to fraction form
4,340,991.60/6,509,644.20 = 2,097,817.20/x - Step 3: Cross multiply
4,340,991.60x = 6,509,644.20 × 2,097,817.20 - Step 4: Simplify right side
4,340,991.60x = 13,656,043,568,640.24 - Step 5: Solve for x
x = 13,656,043,568,640.24/4,340,991.60 - Step 6: Final answer
x = 3,145,835.06
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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.