Finding the Fourth Proportional to 3,396,062.08, 4,686,381.12 and 1,867,922.56
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Solution
The fourth proportional to 3,396,062.08, 4,686,381.12 and 1,867,922.56 is: 2,577,631.63
Step by Step Solution
- Step 1: Write the proportion equation
3,396,062.08 : 4,686,381.12 = 1,867,922.56 : x - Step 2: Convert to fraction form
3,396,062.08/4,686,381.12 = 1,867,922.56/x - Step 3: Cross multiply
3,396,062.08x = 4,686,381.12 × 1,867,922.56 - Step 4: Simplify right side
3,396,062.08x = 8,753,797,018,806.07 - Step 5: Solve for x
x = 8,753,797,018,806.07/3,396,062.08 - Step 6: Final answer
x = 2,577,631.63
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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.