Finding the Fourth Proportional to 2,081,674.15, 2,871,125.29 and 1,791,779.10
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Solution
The fourth proportional to 2,081,674.15, 2,871,125.29 and 1,791,779.10 is: 2,471,290.85
Step by Step Solution
- Step 1: Write the proportion equation
2,081,674.15 : 2,871,125.29 = 1,791,779.10 : x - Step 2: Convert to fraction form
2,081,674.15/2,871,125.29 = 1,791,779.10/x - Step 3: Cross multiply
2,081,674.15x = 2,871,125.29 × 1,791,779.10 - Step 4: Simplify right side
2,081,674.15x = 5,144,422,288,103.44 - Step 5: Solve for x
x = 5,144,422,288,103.44/2,081,674.15 - Step 6: Final answer
x = 2,471,290.85
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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.