Finding the Fourth Proportional to 4,903,644.08, 7,357,121.40 and 2,170,814.56
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Solution
The fourth proportional to 4,903,644.08, 7,357,121.40 and 2,170,814.56 is: 3,256,954.62
Step by Step Solution
- Step 1: Write the proportion equation
4,903,644.08 : 7,357,121.40 = 2,170,814.56 : x - Step 2: Convert to fraction form
4,903,644.08/7,357,121.40 = 2,170,814.56/x - Step 3: Cross multiply
4,903,644.08x = 7,357,121.40 × 2,170,814.56 - Step 4: Simplify right side
4,903,644.08x = 15,970,946,254,807.59 - Step 5: Solve for x
x = 15,970,946,254,807.59/4,903,644.08 - Step 6: Final answer
x = 3,256,954.62
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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.