Home / 3,190,215.40-4,786,227.06-1,298,314.60

Finding the Fourth Proportional to 3,190,215.40, 4,786,227.06 and 1,298,314.60

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Solution

The fourth proportional to 3,190,215.40, 4,786,227.06 and 1,298,314.60 is: 1,947,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,215.40 : 4,786,227.06 = 1,298,314.60 : x
  2. Step 2: Convert to fraction form
    3,190,215.40/4,786,227.06 = 1,298,314.60/x
  3. Step 3: Cross multiply
    3,190,215.40x = 4,786,227.06 × 1,298,314.60
  4. Step 4: Simplify right side
    3,190,215.40x = 6,214,028,470,913.08
  5. Step 5: Solve for x
    x = 6,214,028,470,913.08/3,190,215.40
  6. Step 6: Final answer
    x = 1,947,839.78

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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.