Finding the Fourth Proportional to 4,178,462.93, 5,767,474.58 and 2,460,579.90
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Solution
The fourth proportional to 4,178,462.93, 5,767,474.58 and 2,460,579.90 is: 3,396,304.40
Step by Step Solution
- Step 1: Write the proportion equation
4,178,462.93 : 5,767,474.58 = 2,460,579.90 : x - Step 2: Convert to fraction form
4,178,462.93/5,767,474.58 = 2,460,579.90/x - Step 3: Cross multiply
4,178,462.93x = 5,767,474.58 × 2,460,579.90 - Step 4: Simplify right side
4,178,462.93x = 14,191,332,013,006.04 - Step 5: Solve for x
x = 14,191,332,013,006.04/4,178,462.93 - Step 6: Final answer
x = 3,396,304.40
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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.