Home / 1,533,667.47-2,116,469.51-889,469.61

Finding the Fourth Proportional to 1,533,667.47, 2,116,469.51 and 889,469.61

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Solution

The fourth proportional to 1,533,667.47, 2,116,469.51 and 889,469.61 is: 1,227,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,667.47 : 2,116,469.51 = 889,469.61 : x
  2. Step 2: Convert to fraction form
    1,533,667.47/2,116,469.51 = 889,469.61/x
  3. Step 3: Cross multiply
    1,533,667.47x = 2,116,469.51 × 889,469.61
  4. Step 4: Simplify right side
    1,533,667.47x = 1,882,535,305,189.24
  5. Step 5: Solve for x
    x = 1,882,535,305,189.24/1,533,667.47
  6. Step 6: Final answer
    x = 1,227,472.93

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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.