Finding the Fourth Proportional to 1,617,491.35, 2,421,444.70 and 1,198,647.19
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Solution
The fourth proportional to 1,617,491.35, 2,421,444.70 and 1,198,647.19 is: 1,794,419.42
Step by Step Solution
- Step 1: Write the proportion equation
1,617,491.35 : 2,421,444.70 = 1,198,647.19 : x - Step 2: Convert to fraction form
1,617,491.35/2,421,444.70 = 1,198,647.19/x - Step 3: Cross multiply
1,617,491.35x = 2,421,444.70 × 1,198,647.19 - Step 4: Simplify right side
1,617,491.35x = 2,902,457,885,395.39 - Step 5: Solve for x
x = 2,902,457,885,395.39/1,617,491.35 - Step 6: Final answer
x = 1,794,419.42
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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.