Home / 2,580,843.78-3,871,271.84-783,740.79

Finding the Fourth Proportional to 2,580,843.78, 3,871,271.84 and 783,740.79

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Solution

The fourth proportional to 2,580,843.78, 3,871,271.84 and 783,740.79 is: 1,175,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,843.78 : 3,871,271.84 = 783,740.79 : x
  2. Step 2: Convert to fraction form
    2,580,843.78/3,871,271.84 = 783,740.79/x
  3. Step 3: Cross multiply
    2,580,843.78x = 3,871,271.84 × 783,740.79
  4. Step 4: Simplify right side
    2,580,843.78x = 3,034,073,646,267.65
  5. Step 5: Solve for x
    x = 3,034,073,646,267.65/2,580,843.78
  6. Step 6: Final answer
    x = 1,175,613.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.