Home / 2,639,410.56-3,959,184.63-842,291.61

Finding the Fourth Proportional to 2,639,410.56, 3,959,184.63 and 842,291.61

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Solution

The fourth proportional to 2,639,410.56, 3,959,184.63 and 842,291.61 is: 1,263,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,410.56 : 3,959,184.63 = 842,291.61 : x
  2. Step 2: Convert to fraction form
    2,639,410.56/3,959,184.63 = 842,291.61/x
  3. Step 3: Cross multiply
    2,639,410.56x = 3,959,184.63 × 842,291.61
  4. Step 4: Simplify right side
    2,639,410.56x = 3,334,787,996,289.95
  5. Step 5: Solve for x
    x = 3,334,787,996,289.95/2,639,410.56
  6. Step 6: Final answer
    x = 1,263,459.37

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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.