Home / 2,181,269.12-3,009,372.36-1,262,997.11

Finding the Fourth Proportional to 2,181,269.12, 3,009,372.36 and 1,262,997.11

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Solution

The fourth proportional to 2,181,269.12, 3,009,372.36 and 1,262,997.11 is: 1,742,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,269.12 : 3,009,372.36 = 1,262,997.11 : x
  2. Step 2: Convert to fraction form
    2,181,269.12/3,009,372.36 = 1,262,997.11/x
  3. Step 3: Cross multiply
    2,181,269.12x = 3,009,372.36 × 1,262,997.11
  4. Step 4: Simplify right side
    2,181,269.12x = 3,800,828,593,593.88
  5. Step 5: Solve for x
    x = 3,800,828,593,593.88/2,181,269.12
  6. Step 6: Final answer
    x = 1,742,484.94

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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.