Home / 2,575,018.64-3,553,481.40-1,429,147.28

Finding the Fourth Proportional to 2,575,018.64, 3,553,481.40 and 1,429,147.28

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Solution

The fourth proportional to 2,575,018.64, 3,553,481.40 and 1,429,147.28 is: 1,972,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,018.64 : 3,553,481.40 = 1,429,147.28 : x
  2. Step 2: Convert to fraction form
    2,575,018.64/3,553,481.40 = 1,429,147.28/x
  3. Step 3: Cross multiply
    2,575,018.64x = 3,553,481.40 × 1,429,147.28
  4. Step 4: Simplify right side
    2,575,018.64x = 5,078,448,277,340.59
  5. Step 5: Solve for x
    x = 5,078,448,277,340.59/2,575,018.64
  6. Step 6: Final answer
    x = 1,972,198.65

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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.