Finding the Fourth Proportional to 1,582,327.38, 2,183,609.81 and 857,178.09
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Solution
The fourth proportional to 1,582,327.38, 2,183,609.81 and 857,178.09 is: 1,182,904.70
Step by Step Solution
- Step 1: Write the proportion equation
1,582,327.38 : 2,183,609.81 = 857,178.09 : x - Step 2: Convert to fraction form
1,582,327.38/2,183,609.81 = 857,178.09/x - Step 3: Cross multiply
1,582,327.38x = 2,183,609.81 × 857,178.09 - Step 4: Simplify right side
1,582,327.38x = 1,871,742,483,855.66 - Step 5: Solve for x
x = 1,871,742,483,855.66/1,582,327.38 - Step 6: Final answer
x = 1,182,904.70
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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.