Home / 1,923,108.78-2,885,647.34-786,710.78

Finding the Fourth Proportional to 1,923,108.78, 2,885,647.34 and 786,710.78

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Solution

The fourth proportional to 1,923,108.78, 2,885,647.34 and 786,710.78 is: 1,180,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,108.78 : 2,885,647.34 = 786,710.78 : x
  2. Step 2: Convert to fraction form
    1,923,108.78/2,885,647.34 = 786,710.78/x
  3. Step 3: Cross multiply
    1,923,108.78x = 2,885,647.34 × 786,710.78
  4. Step 4: Simplify right side
    1,923,108.78x = 2,270,169,868,016.04
  5. Step 5: Solve for x
    x = 2,270,169,868,016.04/1,923,108.78
  6. Step 6: Final answer
    x = 1,180,468.77

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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.