Home / 1,615,115.19-2,228,758.54-889,922.33

Finding the Fourth Proportional to 1,615,115.19, 2,228,758.54 and 889,922.33

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Solution

The fourth proportional to 1,615,115.19, 2,228,758.54 and 889,922.33 is: 1,228,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,115.19 : 2,228,758.54 = 889,922.33 : x
  2. Step 2: Convert to fraction form
    1,615,115.19/2,228,758.54 = 889,922.33/x
  3. Step 3: Cross multiply
    1,615,115.19x = 2,228,758.54 × 889,922.33
  4. Step 4: Simplify right side
    1,615,115.19x = 1,983,421,979,836.17
  5. Step 5: Solve for x
    x = 1,983,421,979,836.17/1,615,115.19
  6. Step 6: Final answer
    x = 1,228,037.47

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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.