Home / 4,940,210.40-7,410,315.60-2,100,415.20

Finding the Fourth Proportional to 4,940,210.40, 7,410,315.60 and 2,100,415.20

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Solution

The fourth proportional to 4,940,210.40, 7,410,315.60 and 2,100,415.20 is: 3,150,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940,210.40 : 7,410,315.60 = 2,100,415.20 : x
  2. Step 2: Convert to fraction form
    4,940,210.40/7,410,315.60 = 2,100,415.20/x
  3. Step 3: Cross multiply
    4,940,210.40x = 7,410,315.60 × 2,100,415.20
  4. Step 4: Simplify right side
    4,940,210.40x = 15,564,739,523,037.12
  5. Step 5: Solve for x
    x = 15,564,739,523,037.12/4,940,210.40
  6. Step 6: Final answer
    x = 3,150,622.80

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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.