Home / 2,807,846.36-4,212,209.94-1,210,863.32

Finding the Fourth Proportional to 2,807,846.36, 4,212,209.94 and 1,210,863.32

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Solution

The fourth proportional to 2,807,846.36, 4,212,209.94 and 1,210,863.32 is: 1,816,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,846.36 : 4,212,209.94 = 1,210,863.32 : x
  2. Step 2: Convert to fraction form
    2,807,846.36/4,212,209.94 = 1,210,863.32/x
  3. Step 3: Cross multiply
    2,807,846.36x = 4,212,209.94 × 1,210,863.32
  4. Step 4: Simplify right side
    2,807,846.36x = 5,100,410,512,485.40
  5. Step 5: Solve for x
    x = 5,100,410,512,485.40/2,807,846.36
  6. Step 6: Final answer
    x = 1,816,484.90

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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.