Finding the Fourth Proportional to 1,581,749.93, 2,182,811.58 and 856,595.42
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Solution
The fourth proportional to 1,581,749.93, 2,182,811.58 and 856,595.42 is: 1,182,099.88
Step by Step Solution
- Step 1: Write the proportion equation
1,581,749.93 : 2,182,811.58 = 856,595.42 : x - Step 2: Convert to fraction form
1,581,749.93/2,182,811.58 = 856,595.42/x - Step 3: Cross multiply
1,581,749.93x = 2,182,811.58 × 856,595.42 - Step 4: Simplify right side
1,581,749.93x = 1,869,786,402,150.96 - Step 5: Solve for x
x = 1,869,786,402,150.96/1,581,749.93 - Step 6: Final answer
x = 1,182,099.88
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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.