Home / 2,239,619.76-3,360,822.84-909,923.76

Finding the Fourth Proportional to 2,239,619.76, 3,360,822.84 and 909,923.76

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Solution

The fourth proportional to 2,239,619.76, 3,360,822.84 and 909,923.76 is: 1,365,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,619.76 : 3,360,822.84 = 909,923.76 : x
  2. Step 2: Convert to fraction form
    2,239,619.76/3,360,822.84 = 909,923.76/x
  3. Step 3: Cross multiply
    2,239,619.76x = 3,360,822.84 × 909,923.76
  4. Step 4: Simplify right side
    2,239,619.76x = 3,058,092,555,266.68
  5. Step 5: Solve for x
    x = 3,058,092,555,266.68/2,239,619.76
  6. Step 6: Final answer
    x = 1,365,451.68

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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.