Home / 2,201,116.78-3,301,901.63-761,797.66

Finding the Fourth Proportional to 2,201,116.78, 3,301,901.63 and 761,797.66

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Solution

The fourth proportional to 2,201,116.78, 3,301,901.63 and 761,797.66 is: 1,142,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,116.78 : 3,301,901.63 = 761,797.66 : x
  2. Step 2: Convert to fraction form
    2,201,116.78/3,301,901.63 = 761,797.66/x
  3. Step 3: Cross multiply
    2,201,116.78x = 3,301,901.63 × 761,797.66
  4. Step 4: Simplify right side
    2,201,116.78x = 2,515,380,928,933.93
  5. Step 5: Solve for x
    x = 2,515,380,928,933.93/2,201,116.78
  6. Step 6: Final answer
    x = 1,142,774.87

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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.