Home / 3,210,784.78-4,816,980.89-936,309.43

Finding the Fourth Proportional to 3,210,784.78, 4,816,980.89 and 936,309.43

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Solution

The fourth proportional to 3,210,784.78, 4,816,980.89 and 936,309.43 is: 1,404,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,784.78 : 4,816,980.89 = 936,309.43 : x
  2. Step 2: Convert to fraction form
    3,210,784.78/4,816,980.89 = 936,309.43/x
  3. Step 3: Cross multiply
    3,210,784.78x = 4,816,980.89 × 936,309.43
  4. Step 4: Simplify right side
    3,210,784.78x = 4,510,184,621,735.11
  5. Step 5: Solve for x
    x = 4,510,184,621,735.11/3,210,784.78
  6. Step 6: Final answer
    x = 1,404,698.52

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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.