Finding the Fourth Proportional to 2,119,760.39, 3,165,282.36 and 1,682,572.96
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Solution
The fourth proportional to 2,119,760.39, 3,165,282.36 and 1,682,572.96 is: 2,512,462.51
Step by Step Solution
- Step 1: Write the proportion equation
2,119,760.39 : 3,165,282.36 = 1,682,572.96 : x - Step 2: Convert to fraction form
2,119,760.39/3,165,282.36 = 1,682,572.96/x - Step 3: Cross multiply
2,119,760.39x = 3,165,282.36 × 1,682,572.96 - Step 4: Simplify right side
2,119,760.39x = 5,325,818,527,880.44 - Step 5: Solve for x
x = 5,325,818,527,880.44/2,119,760.39 - Step 6: Final answer
x = 2,512,462.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.