Home / 2,808,771.78-3,878,782.06-2,655,751.95

Finding the Fourth Proportional to 2,808,771.78, 3,878,782.06 and 2,655,751.95

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Solution

The fourth proportional to 2,808,771.78, 3,878,782.06 and 2,655,751.95 is: 3,667,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,771.78 : 3,878,782.06 = 2,655,751.95 : x
  2. Step 2: Convert to fraction form
    2,808,771.78/3,878,782.06 = 2,655,751.95/x
  3. Step 3: Cross multiply
    2,808,771.78x = 3,878,782.06 × 2,655,751.95
  4. Step 4: Simplify right side
    2,808,771.78x = 10,301,082,996,494.30
  5. Step 5: Solve for x
    x = 10,301,082,996,494.30/2,808,771.78
  6. Step 6: Final answer
    x = 3,667,468.85

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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.