Finding the Fourth Proportional to 1,561,446.44, 2,154,783.90 and 873,119.63
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Solution
The fourth proportional to 1,561,446.44, 2,154,783.90 and 873,119.63 is: 1,204,898.27
Step by Step Solution
- Step 1: Write the proportion equation
1,561,446.44 : 2,154,783.90 = 873,119.63 : x - Step 2: Convert to fraction form
1,561,446.44/2,154,783.90 = 873,119.63/x - Step 3: Cross multiply
1,561,446.44x = 2,154,783.90 × 873,119.63 - Step 4: Simplify right side
1,561,446.44x = 1,881,384,110,724.04 - Step 5: Solve for x
x = 1,881,384,110,724.04/1,561,446.44 - Step 6: Final answer
x = 1,204,898.27
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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.