Home / 3,742,311.14-5,164,359.32-2,172,588.64

Finding the Fourth Proportional to 3,742,311.14, 5,164,359.32 and 2,172,588.64

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Solution

The fourth proportional to 3,742,311.14, 5,164,359.32 and 2,172,588.64 is: 2,998,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,311.14 : 5,164,359.32 = 2,172,588.64 : x
  2. Step 2: Convert to fraction form
    3,742,311.14/5,164,359.32 = 2,172,588.64/x
  3. Step 3: Cross multiply
    3,742,311.14x = 5,164,359.32 × 2,172,588.64
  4. Step 4: Simplify right side
    3,742,311.14x = 11,220,028,391,510.13
  5. Step 5: Solve for x
    x = 11,220,028,391,510.13/3,742,311.14
  6. Step 6: Final answer
    x = 2,998,154.88

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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.