Home / 2,886,819.20-4,331,265.60-2,783,139.20

Finding the Fourth Proportional to 2,886,819.20, 4,331,265.60 and 2,783,139.20

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Solution

The fourth proportional to 2,886,819.20, 4,331,265.60 and 2,783,139.20 is: 4,175,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,819.20 : 4,331,265.60 = 2,783,139.20 : x
  2. Step 2: Convert to fraction form
    2,886,819.20/4,331,265.60 = 2,783,139.20/x
  3. Step 3: Cross multiply
    2,886,819.20x = 4,331,265.60 × 2,783,139.20
  4. Step 4: Simplify right side
    2,886,819.20x = 12,054,515,076,971.52
  5. Step 5: Solve for x
    x = 12,054,515,076,971.52/2,886,819.20
  6. Step 6: Final answer
    x = 4,175,708.36

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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.