Home / 1,855,638.11-2,560,737.13-1,091,740.79

Finding the Fourth Proportional to 1,855,638.11, 2,560,737.13 and 1,091,740.79

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Solution

The fourth proportional to 1,855,638.11, 2,560,737.13 and 1,091,740.79 is: 1,506,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,638.11 : 2,560,737.13 = 1,091,740.79 : x
  2. Step 2: Convert to fraction form
    1,855,638.11/2,560,737.13 = 1,091,740.79/x
  3. Step 3: Cross multiply
    1,855,638.11x = 2,560,737.13 × 1,091,740.79
  4. Step 4: Simplify right side
    1,855,638.11x = 2,795,661,177,288.53
  5. Step 5: Solve for x
    x = 2,795,661,177,288.53/1,855,638.11
  6. Step 6: Final answer
    x = 1,506,576.72

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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.