Home / 3,127,448.76-4,315,850.12-1,769,321.76

Finding the Fourth Proportional to 3,127,448.76, 4,315,850.12 and 1,769,321.76

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Solution

The fourth proportional to 3,127,448.76, 4,315,850.12 and 1,769,321.76 is: 2,441,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,448.76 : 4,315,850.12 = 1,769,321.76 : x
  2. Step 2: Convert to fraction form
    3,127,448.76/4,315,850.12 = 1,769,321.76/x
  3. Step 3: Cross multiply
    3,127,448.76x = 4,315,850.12 × 1,769,321.76
  4. Step 4: Simplify right side
    3,127,448.76x = 7,636,127,530,214.61
  5. Step 5: Solve for x
    x = 7,636,127,530,214.61/3,127,448.76
  6. Step 6: Final answer
    x = 2,441,647.53

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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.