Home / 2,133,417.72-2,944,857.78-1,228,360.44

Finding the Fourth Proportional to 2,133,417.72, 2,944,857.78 and 1,228,360.44

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Solution

The fourth proportional to 2,133,417.72, 2,944,857.78 and 1,228,360.44 is: 1,695,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,417.72 : 2,944,857.78 = 1,228,360.44 : x
  2. Step 2: Convert to fraction form
    2,133,417.72/2,944,857.78 = 1,228,360.44/x
  3. Step 3: Cross multiply
    2,133,417.72x = 2,944,857.78 × 1,228,360.44
  4. Step 4: Simplify right side
    2,133,417.72x = 3,617,346,798,378.22
  5. Step 5: Solve for x
    x = 3,617,346,798,378.22/2,133,417.72
  6. Step 6: Final answer
    x = 1,695,564.24

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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.