Home / 3,609,285.18-4,980,814.75-1,977,679.30

Finding the Fourth Proportional to 3,609,285.18, 4,980,814.75 and 1,977,679.30

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Solution

The fourth proportional to 3,609,285.18, 4,980,814.75 and 1,977,679.30 is: 2,729,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,285.18 : 4,980,814.75 = 1,977,679.30 : x
  2. Step 2: Convert to fraction form
    3,609,285.18/4,980,814.75 = 1,977,679.30/x
  3. Step 3: Cross multiply
    3,609,285.18x = 4,980,814.75 × 1,977,679.30
  4. Step 4: Simplify right side
    3,609,285.18x = 9,850,454,228,209.68
  5. Step 5: Solve for x
    x = 9,850,454,228,209.68/3,609,285.18
  6. Step 6: Final answer
    x = 2,729,198.09

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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.