Home / 1,603,238.72-2,406,478.68-1,422,057.68

Finding the Fourth Proportional to 1,603,238.72, 2,406,478.68 and 1,422,057.68

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Solution

The fourth proportional to 1,603,238.72, 2,406,478.68 and 1,422,057.68 is: 2,134,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,238.72 : 2,406,478.68 = 1,422,057.68 : x
  2. Step 2: Convert to fraction form
    1,603,238.72/2,406,478.68 = 1,422,057.68/x
  3. Step 3: Cross multiply
    1,603,238.72x = 2,406,478.68 × 1,422,057.68
  4. Step 4: Simplify right side
    1,603,238.72x = 3,422,151,488,650.26
  5. Step 5: Solve for x
    x = 3,422,151,488,650.26/1,603,238.72
  6. Step 6: Final answer
    x = 2,134,523.98

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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.