Finding the Fourth Proportional to 2,288,027.74, 3,157,478.68 and 1,269,430.06
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Solution
The fourth proportional to 2,288,027.74, 3,157,478.68 and 1,269,430.06 is: 1,751,813.70
Step by Step Solution
- Step 1: Write the proportion equation
2,288,027.74 : 3,157,478.68 = 1,269,430.06 : x - Step 2: Convert to fraction form
2,288,027.74/3,157,478.68 = 1,269,430.06/x - Step 3: Cross multiply
2,288,027.74x = 3,157,478.68 × 1,269,430.06 - Step 4: Simplify right side
2,288,027.74x = 4,008,198,350,201.12 - Step 5: Solve for x
x = 4,008,198,350,201.12/2,288,027.74 - Step 6: Final answer
x = 1,751,813.70
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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.