Home / 2,800,076.72-4,198,708.41-1,631,972.00

Finding the Fourth Proportional to 2,800,076.72, 4,198,708.41 and 1,631,972.00

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Solution

The fourth proportional to 2,800,076.72, 4,198,708.41 and 1,631,972.00 is: 2,447,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,076.72 : 4,198,708.41 = 1,631,972.00 : x
  2. Step 2: Convert to fraction form
    2,800,076.72/4,198,708.41 = 1,631,972.00/x
  3. Step 3: Cross multiply
    2,800,076.72x = 4,198,708.41 × 1,631,972.00
  4. Step 4: Simplify right side
    2,800,076.72x = 6,852,174,565,661.40
  5. Step 5: Solve for x
    x = 6,852,174,565,661.40/2,800,076.72
  6. Step 6: Final answer
    x = 2,447,138.15

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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.