Home / 4,893,999.20-7,340,998.80-2,980,811.60

Finding the Fourth Proportional to 4,893,999.20, 7,340,998.80 and 2,980,811.60

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Solution

The fourth proportional to 4,893,999.20, 7,340,998.80 and 2,980,811.60 is: 4,471,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893,999.20 : 7,340,998.80 = 2,980,811.60 : x
  2. Step 2: Convert to fraction form
    4,893,999.20/7,340,998.80 = 2,980,811.60/x
  3. Step 3: Cross multiply
    4,893,999.20x = 7,340,998.80 × 2,980,811.60
  4. Step 4: Simplify right side
    4,893,999.20x = 21,882,134,378,626.08
  5. Step 5: Solve for x
    x = 21,882,134,378,626.08/4,893,999.20
  6. Step 6: Final answer
    x = 4,471,217.40

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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.