Home / 1,997,807.36-2,996,086.40-667,800.32

Finding the Fourth Proportional to 1,997,807.36, 2,996,086.40 and 667,800.32

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Solution

The fourth proportional to 1,997,807.36, 2,996,086.40 and 667,800.32 is: 1,001,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,807.36 : 2,996,086.40 = 667,800.32 : x
  2. Step 2: Convert to fraction form
    1,997,807.36/2,996,086.40 = 667,800.32/x
  3. Step 3: Cross multiply
    1,997,807.36x = 2,996,086.40 × 667,800.32
  4. Step 4: Simplify right side
    1,997,807.36x = 2,000,787,456,667.65
  5. Step 5: Solve for x
    x = 2,000,787,456,667.65/1,997,807.36
  6. Step 6: Final answer
    x = 1,001,491.68

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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.