Home / 3,885,128.40-5,824,927.80-1,488,046.80

Finding the Fourth Proportional to 3,885,128.40, 5,824,927.80 and 1,488,046.80

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Solution

The fourth proportional to 3,885,128.40, 5,824,927.80 and 1,488,046.80 is: 2,231,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,128.40 : 5,824,927.80 = 1,488,046.80 : x
  2. Step 2: Convert to fraction form
    3,885,128.40/5,824,927.80 = 1,488,046.80/x
  3. Step 3: Cross multiply
    3,885,128.40x = 5,824,927.80 × 1,488,046.80
  4. Step 4: Simplify right side
    3,885,128.40x = 8,667,765,173,021.04
  5. Step 5: Solve for x
    x = 8,667,765,173,021.04/3,885,128.40
  6. Step 6: Final answer
    x = 2,231,011.25

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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.