Home / 1,667,789.21-2,299,830.66-1,426,869.29

Finding the Fourth Proportional to 1,667,789.21, 2,299,830.66 and 1,426,869.29

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Solution

The fourth proportional to 1,667,789.21, 2,299,830.66 and 1,426,869.29 is: 1,967,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,789.21 : 2,299,830.66 = 1,426,869.29 : x
  2. Step 2: Convert to fraction form
    1,667,789.21/2,299,830.66 = 1,426,869.29/x
  3. Step 3: Cross multiply
    1,667,789.21x = 2,299,830.66 × 1,426,869.29
  4. Step 4: Simplify right side
    1,667,789.21x = 3,281,557,746,704.01
  5. Step 5: Solve for x
    x = 3,281,557,746,704.01/1,667,789.21
  6. Step 6: Final answer
    x = 1,967,609.41

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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.