Home / 2,038,180.81-2,812,698.62-1,120,469.09

Finding the Fourth Proportional to 2,038,180.81, 2,812,698.62 and 1,120,469.09

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Solution

The fourth proportional to 2,038,180.81, 2,812,698.62 and 1,120,469.09 is: 1,546,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,180.81 : 2,812,698.62 = 1,120,469.09 : x
  2. Step 2: Convert to fraction form
    2,038,180.81/2,812,698.62 = 1,120,469.09/x
  3. Step 3: Cross multiply
    2,038,180.81x = 2,812,698.62 × 1,120,469.09
  4. Step 4: Simplify right side
    2,038,180.81x = 3,151,541,843,529.82
  5. Step 5: Solve for x
    x = 3,151,541,843,529.82/2,038,180.81
  6. Step 6: Final answer
    x = 1,546,252.34

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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.