Finding the Fourth Proportional to 1,703,460.60, 2,555,190.90 and 1,620,516.60
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Solution
The fourth proportional to 1,703,460.60, 2,555,190.90 and 1,620,516.60 is: 2,430,774.90
Step by Step Solution
- Step 1: Write the proportion equation
1,703,460.60 : 2,555,190.90 = 1,620,516.60 : x - Step 2: Convert to fraction form
1,703,460.60/2,555,190.90 = 1,620,516.60/x - Step 3: Cross multiply
1,703,460.60x = 2,555,190.90 × 1,620,516.60 - Step 4: Simplify right side
1,703,460.60x = 4,140,729,269,618.94 - Step 5: Solve for x
x = 4,140,729,269,618.94/1,703,460.60 - Step 6: Final answer
x = 2,430,774.90
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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.