Home / 3,523,819.20-5,285,210.40-999,729.60

Finding the Fourth Proportional to 3,523,819.20, 5,285,210.40 and 999,729.60

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Solution

The fourth proportional to 3,523,819.20, 5,285,210.40 and 999,729.60 is: 1,499,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523,819.20 : 5,285,210.40 = 999,729.60 : x
  2. Step 2: Convert to fraction form
    3,523,819.20/5,285,210.40 = 999,729.60/x
  3. Step 3: Cross multiply
    3,523,819.20x = 5,285,210.40 × 999,729.60
  4. Step 4: Simplify right side
    3,523,819.20x = 5,283,781,279,107.84
  5. Step 5: Solve for x
    x = 5,283,781,279,107.84/3,523,819.20
  6. Step 6: Final answer
    x = 1,499,447.33

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1.5x scale

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.