Home / 2,800,503.60-4,199,200.20-1,115,703.60

Finding the Fourth Proportional to 2,800,503.60, 4,199,200.20 and 1,115,703.60

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Solution

The fourth proportional to 2,800,503.60, 4,199,200.20 and 1,115,703.60 is: 1,672,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,503.60 : 4,199,200.20 = 1,115,703.60 : x
  2. Step 2: Convert to fraction form
    2,800,503.60/4,199,200.20 = 1,115,703.60/x
  3. Step 3: Cross multiply
    2,800,503.60x = 4,199,200.20 × 1,115,703.60
  4. Step 4: Simplify right side
    2,800,503.60x = 4,685,062,780,260.72
  5. Step 5: Solve for x
    x = 4,685,062,780,260.72/2,800,503.60
  6. Step 6: Final answer
    x = 1,672,935.82

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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.