Home / 1,923,109.78-2,885,648.84-786,711.78

Finding the Fourth Proportional to 1,923,109.78, 2,885,648.84 and 786,711.78

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Solution

The fourth proportional to 1,923,109.78, 2,885,648.84 and 786,711.78 is: 1,180,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,109.78 : 2,885,648.84 = 786,711.78 : x
  2. Step 2: Convert to fraction form
    1,923,109.78/2,885,648.84 = 786,711.78/x
  3. Step 3: Cross multiply
    1,923,109.78x = 2,885,648.84 × 786,711.78
  4. Step 4: Simplify right side
    1,923,109.78x = 2,270,173,935,371.34
  5. Step 5: Solve for x
    x = 2,270,173,935,371.34/1,923,109.78
  6. Step 6: Final answer
    x = 1,180,470.28

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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.