Home / 2,119,292.48-3,178,627.68-699,383.36

Finding the Fourth Proportional to 2,119,292.48, 3,178,627.68 and 699,383.36

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Solution

The fourth proportional to 2,119,292.48, 3,178,627.68 and 699,383.36 is: 1,048,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,292.48 : 3,178,627.68 = 699,383.36 : x
  2. Step 2: Convert to fraction form
    2,119,292.48/3,178,627.68 = 699,383.36/x
  3. Step 3: Cross multiply
    2,119,292.48x = 3,178,627.68 × 699,383.36
  4. Step 4: Simplify right side
    2,119,292.48x = 2,223,079,307,027.40
  5. Step 5: Solve for x
    x = 2,223,079,307,027.40/2,119,292.48
  6. Step 6: Final answer
    x = 1,048,972.39

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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.