Finding the Fourth Proportional to 1,903,123.42, 2,854,690.09 and 641,837.02
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Solution
The fourth proportional to 1,903,123.42, 2,854,690.09 and 641,837.02 is: 962,757.20
Step by Step Solution
- Step 1: Write the proportion equation
1,903,123.42 : 2,854,690.09 = 641,837.02 : x - Step 2: Convert to fraction form
1,903,123.42/2,854,690.09 = 641,837.02/x - Step 3: Cross multiply
1,903,123.42x = 2,854,690.09 × 641,837.02 - Step 4: Simplify right side
1,903,123.42x = 1,832,245,780,389.13 - Step 5: Solve for x
x = 1,832,245,780,389.13/1,903,123.42 - Step 6: Final answer
x = 962,757.20
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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.