Home / 2,800,505.60-4,199,203.20-1,115,705.60

Finding the Fourth Proportional to 2,800,505.60, 4,199,203.20 and 1,115,705.60

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Solution

The fourth proportional to 2,800,505.60, 4,199,203.20 and 1,115,705.60 is: 1,672,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,505.60 : 4,199,203.20 = 1,115,705.60 : x
  2. Step 2: Convert to fraction form
    2,800,505.60/4,199,203.20 = 1,115,705.60/x
  3. Step 3: Cross multiply
    2,800,505.60x = 4,199,203.20 × 1,115,705.60
  4. Step 4: Simplify right side
    2,800,505.60x = 4,685,074,525,777.92
  5. Step 5: Solve for x
    x = 4,685,074,525,777.92/2,800,505.60
  6. Step 6: Final answer
    x = 1,672,938.82

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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.