Home / 2,628,628.20-3,627,507.24-1,421,404.20

Finding the Fourth Proportional to 2,628,628.20, 3,627,507.24 and 1,421,404.20

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Solution

The fourth proportional to 2,628,628.20, 3,627,507.24 and 1,421,404.20 is: 1,961,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,628.20 : 3,627,507.24 = 1,421,404.20 : x
  2. Step 2: Convert to fraction form
    2,628,628.20/3,627,507.24 = 1,421,404.20/x
  3. Step 3: Cross multiply
    2,628,628.20x = 3,627,507.24 × 1,421,404.20
  4. Step 4: Simplify right side
    2,628,628.20x = 5,156,154,026,466.41
  5. Step 5: Solve for x
    x = 5,156,154,026,466.41/2,628,628.20
  6. Step 6: Final answer
    x = 1,961,537.97

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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.