Finding the Fourth Proportional to 2,840,563.49, 3,919,917.04 and 1,551,409.00
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Solution
The fourth proportional to 2,840,563.49, 3,919,917.04 and 1,551,409.00 is: 2,140,911.33
Step by Step Solution
- Step 1: Write the proportion equation
2,840,563.49 : 3,919,917.04 = 1,551,409.00 : x - Step 2: Convert to fraction form
2,840,563.49/3,919,917.04 = 1,551,409.00/x - Step 3: Cross multiply
2,840,563.49x = 3,919,917.04 × 1,551,409.00 - Step 4: Simplify right side
2,840,563.49x = 6,081,394,561,431.05 - Step 5: Solve for x
x = 6,081,394,561,431.05/2,840,563.49 - Step 6: Final answer
x = 2,140,911.33
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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.