Finding the Fourth Proportional to 2,077,987.91, 2,867,595.21 and 1,160,231.18
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Solution
The fourth proportional to 2,077,987.91, 2,867,595.21 and 1,160,231.18 is: 1,601,103.33
Step by Step Solution
- Step 1: Write the proportion equation
2,077,987.91 : 2,867,595.21 = 1,160,231.18 : x - Step 2: Convert to fraction form
2,077,987.91/2,867,595.21 = 1,160,231.18/x - Step 3: Cross multiply
2,077,987.91x = 2,867,595.21 × 1,160,231.18 - Step 4: Simplify right side
2,077,987.91x = 3,327,073,359,922.67 - Step 5: Solve for x
x = 3,327,073,359,922.67/2,077,987.91 - Step 6: Final answer
x = 1,601,103.33
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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.