Home / 2,136,967.82-2,949,095.04-1,219,346.36

Finding the Fourth Proportional to 2,136,967.82, 2,949,095.04 and 1,219,346.36

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Solution

The fourth proportional to 2,136,967.82, 2,949,095.04 and 1,219,346.36 is: 1,682,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,967.82 : 2,949,095.04 = 1,219,346.36 : x
  2. Step 2: Convert to fraction form
    2,136,967.82/2,949,095.04 = 1,219,346.36/x
  3. Step 3: Cross multiply
    2,136,967.82x = 2,949,095.04 × 1,219,346.36
  4. Step 4: Simplify right side
    2,136,967.82x = 3,595,968,302,318.06
  5. Step 5: Solve for x
    x = 3,595,968,302,318.06/2,136,967.82
  6. Step 6: Final answer
    x = 1,682,743.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.