Home / 2,182,455.70-3,271,647.97-742,154.87

Finding the Fourth Proportional to 2,182,455.70, 3,271,647.97 and 742,154.87

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Solution

The fourth proportional to 2,182,455.70, 3,271,647.97 and 742,154.87 is: 1,112,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,455.70 : 3,271,647.97 = 742,154.87 : x
  2. Step 2: Convert to fraction form
    2,182,455.70/3,271,647.97 = 742,154.87/x
  3. Step 3: Cross multiply
    2,182,455.70x = 3,271,647.97 × 742,154.87
  4. Step 4: Simplify right side
    2,182,455.70x = 2,428,069,453,792.10
  5. Step 5: Solve for x
    x = 2,428,069,453,792.10/2,182,455.70
  6. Step 6: Final answer
    x = 1,112,540.09

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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.