Home / 2,159,171.22-3,238,760.67-561,731.76

Finding the Fourth Proportional to 2,159,171.22, 3,238,760.67 and 561,731.76

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Solution

The fourth proportional to 2,159,171.22, 3,238,760.67 and 561,731.76 is: 842,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,171.22 : 3,238,760.67 = 561,731.76 : x
  2. Step 2: Convert to fraction form
    2,159,171.22/3,238,760.67 = 561,731.76/x
  3. Step 3: Cross multiply
    2,159,171.22x = 3,238,760.67 × 561,731.76
  4. Step 4: Simplify right side
    2,159,171.22x = 1,819,314,731,377.88
  5. Step 5: Solve for x
    x = 1,819,314,731,377.88/2,159,171.22
  6. Step 6: Final answer
    x = 842,598.64

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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.