Home / 2,580,843.79-3,871,271.84-783,740.78

Finding the Fourth Proportional to 2,580,843.79, 3,871,271.84 and 783,740.78

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Solution

The fourth proportional to 2,580,843.79, 3,871,271.84 and 783,740.78 is: 1,175,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,843.79 : 3,871,271.84 = 783,740.78 : x
  2. Step 2: Convert to fraction form
    2,580,843.79/3,871,271.84 = 783,740.78/x
  3. Step 3: Cross multiply
    2,580,843.79x = 3,871,271.84 × 783,740.78
  4. Step 4: Simplify right side
    2,580,843.79x = 3,034,073,611,473.64
  5. Step 5: Solve for x
    x = 3,034,073,611,473.64/2,580,843.79
  6. Step 6: Final answer
    x = 1,175,613.04

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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.