Home / 2,807,839.36-4,212,199.44-1,210,856.32

Finding the Fourth Proportional to 2,807,839.36, 4,212,199.44 and 1,210,856.32

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Solution

The fourth proportional to 2,807,839.36, 4,212,199.44 and 1,210,856.32 is: 1,816,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,839.36 : 4,212,199.44 = 1,210,856.32 : x
  2. Step 2: Convert to fraction form
    2,807,839.36/4,212,199.44 = 1,210,856.32/x
  3. Step 3: Cross multiply
    2,807,839.36x = 4,212,199.44 × 1,210,856.32
  4. Step 4: Simplify right side
    2,807,839.36x = 5,100,368,313,024.46
  5. Step 5: Solve for x
    x = 5,100,368,313,024.46/2,807,839.36
  6. Step 6: Final answer
    x = 1,816,474.40

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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.