Home / 2,171,920.80-3,255,807.60-1,691,882.40

Finding the Fourth Proportional to 2,171,920.80, 3,255,807.60 and 1,691,882.40

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Solution

The fourth proportional to 2,171,920.80, 3,255,807.60 and 1,691,882.40 is: 2,536,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,920.80 : 3,255,807.60 = 1,691,882.40 : x
  2. Step 2: Convert to fraction form
    2,171,920.80/3,255,807.60 = 1,691,882.40/x
  3. Step 3: Cross multiply
    2,171,920.80x = 3,255,807.60 × 1,691,882.40
  4. Step 4: Simplify right side
    2,171,920.80x = 5,508,443,576,226.24
  5. Step 5: Solve for x
    x = 5,508,443,576,226.24/2,171,920.80
  6. Step 6: Final answer
    x = 2,536,208.31

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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.