Home / 2,228,622.48-3,069,990-1,900,867.76

Finding the Fourth Proportional to 2,228,622.48, 3,069,990 and 1,900,867.76

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Solution

The fourth proportional to 2,228,622.48, 3,069,990 and 1,900,867.76 is: 2,618,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,622.48 : 3,069,990 = 1,900,867.76 : x
  2. Step 2: Convert to fraction form
    2,228,622.48/3,069,990 = 1,900,867.76/x
  3. Step 3: Cross multiply
    2,228,622.48x = 3,069,990 × 1,900,867.76
  4. Step 4: Simplify right side
    2,228,622.48x = 5,835,645,014,522.40
  5. Step 5: Solve for x
    x = 5,835,645,014,522.40/2,228,622.48
  6. Step 6: Final answer
    x = 2,618,498.68

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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.