Finding the Fourth Proportional to 5,183,984.88, 7,153,903.62 and 2,892,146.04
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Solution
The fourth proportional to 5,183,984.88, 7,153,903.62 and 2,892,146.04 is: 3,991,164.04
Step by Step Solution
- Step 1: Write the proportion equation
5,183,984.88 : 7,153,903.62 = 2,892,146.04 : x - Step 2: Convert to fraction form
5,183,984.88/7,153,903.62 = 2,892,146.04/x - Step 3: Cross multiply
5,183,984.88x = 7,153,903.62 × 2,892,146.04 - Step 4: Simplify right side
5,183,984.88x = 20,690,134,025,124.66 - Step 5: Solve for x
x = 20,690,134,025,124.66/5,183,984.88 - Step 6: Final answer
x = 3,991,164.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.