Home / 1,855,238.40-2,778,632.64-1,105,735.68

Finding the Fourth Proportional to 1,855,238.40, 2,778,632.64 and 1,105,735.68

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Solution

The fourth proportional to 1,855,238.40, 2,778,632.64 and 1,105,735.68 is: 1,656,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,238.40 : 2,778,632.64 = 1,105,735.68 : x
  2. Step 2: Convert to fraction form
    1,855,238.40/2,778,632.64 = 1,105,735.68/x
  3. Step 3: Cross multiply
    1,855,238.40x = 2,778,632.64 × 1,105,735.68
  4. Step 4: Simplify right side
    1,855,238.40x = 3,072,433,251,660.60
  5. Step 5: Solve for x
    x = 3,072,433,251,660.60/1,855,238.40
  6. Step 6: Final answer
    x = 1,656,085.41

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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.