Home / 2,608,271.12-3,912,969.72-811,119.44

Finding the Fourth Proportional to 2,608,271.12, 3,912,969.72 and 811,119.44

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Solution

The fourth proportional to 2,608,271.12, 3,912,969.72 and 811,119.44 is: 1,216,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,271.12 : 3,912,969.72 = 811,119.44 : x
  2. Step 2: Convert to fraction form
    2,608,271.12/3,912,969.72 = 811,119.44/x
  3. Step 3: Cross multiply
    2,608,271.12x = 3,912,969.72 × 811,119.44
  4. Step 4: Simplify right side
    2,608,271.12x = 3,173,885,808,023.36
  5. Step 5: Solve for x
    x = 3,173,885,808,023.36/2,608,271.12
  6. Step 6: Final answer
    x = 1,216,854.25

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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.