Home / 2,257,505.64-3,115,395.78-1,239,005.16

Finding the Fourth Proportional to 2,257,505.64, 3,115,395.78 and 1,239,005.16

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Solution

The fourth proportional to 2,257,505.64, 3,115,395.78 and 1,239,005.16 is: 1,709,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,505.64 : 3,115,395.78 = 1,239,005.16 : x
  2. Step 2: Convert to fraction form
    2,257,505.64/3,115,395.78 = 1,239,005.16/x
  3. Step 3: Cross multiply
    2,257,505.64x = 3,115,395.78 × 1,239,005.16
  4. Step 4: Simplify right side
    2,257,505.64x = 3,859,991,446,862.22
  5. Step 5: Solve for x
    x = 3,859,991,446,862.22/2,257,505.64
  6. Step 6: Final answer
    x = 1,709,847.97

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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.