Home / 2,819,021.40-4,219,200.90-2,184,499.80

Finding the Fourth Proportional to 2,819,021.40, 4,219,200.90 and 2,184,499.80

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Solution

The fourth proportional to 2,819,021.40, 4,219,200.90 and 2,184,499.80 is: 3,269,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,021.40 : 4,219,200.90 = 2,184,499.80 : x
  2. Step 2: Convert to fraction form
    2,819,021.40/4,219,200.90 = 2,184,499.80/x
  3. Step 3: Cross multiply
    2,819,021.40x = 4,219,200.90 × 2,184,499.80
  4. Step 4: Simplify right side
    2,819,021.40x = 9,216,843,522,209.82
  5. Step 5: Solve for x
    x = 9,216,843,522,209.82/2,819,021.40
  6. Step 6: Final answer
    x = 3,269,518.82

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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.