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Finding the Fourth Proportional to 3,723,698.03, 5,585,128.80 and 1,028,406.41

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Solution

The fourth proportional to 3,723,698.03, 5,585,128.80 and 1,028,406.41 is: 1,542,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723,698.03 : 5,585,128.80 = 1,028,406.41 : x
  2. Step 2: Convert to fraction form
    3,723,698.03/5,585,128.80 = 1,028,406.41/x
  3. Step 3: Cross multiply
    3,723,698.03x = 5,585,128.80 × 1,028,406.41
  4. Step 4: Simplify right side
    3,723,698.03x = 5,743,782,258,595.61
  5. Step 5: Solve for x
    x = 5,743,782,258,595.61/3,723,698.03
  6. Step 6: Final answer
    x = 1,542,494.10

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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.