Home / 2,783,401.80-4,175,102.70-1,837,840.20

Finding the Fourth Proportional to 2,783,401.80, 4,175,102.70 and 1,837,840.20

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Solution

The fourth proportional to 2,783,401.80, 4,175,102.70 and 1,837,840.20 is: 2,756,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,401.80 : 4,175,102.70 = 1,837,840.20 : x
  2. Step 2: Convert to fraction form
    2,783,401.80/4,175,102.70 = 1,837,840.20/x
  3. Step 3: Cross multiply
    2,783,401.80x = 4,175,102.70 × 1,837,840.20
  4. Step 4: Simplify right side
    2,783,401.80x = 7,673,171,581,188.54
  5. Step 5: Solve for x
    x = 7,673,171,581,188.54/2,783,401.80
  6. Step 6: Final answer
    x = 2,756,760.30

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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.