Home / 2,807,847.36-4,212,211.44-1,210,864.32

Finding the Fourth Proportional to 2,807,847.36, 4,212,211.44 and 1,210,864.32

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Solution

The fourth proportional to 2,807,847.36, 4,212,211.44 and 1,210,864.32 is: 1,816,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,847.36 : 4,212,211.44 = 1,210,864.32 : x
  2. Step 2: Convert to fraction form
    2,807,847.36/4,212,211.44 = 1,210,864.32/x
  3. Step 3: Cross multiply
    2,807,847.36x = 4,212,211.44 × 1,210,864.32
  4. Step 4: Simplify right side
    2,807,847.36x = 5,100,416,540,991.82
  5. Step 5: Solve for x
    x = 5,100,416,540,991.82/2,807,847.36
  6. Step 6: Final answer
    x = 1,816,486.40

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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.