Home / 2,118,211.97-2,923,060.97-1,212,619.01

Finding the Fourth Proportional to 2,118,211.97, 2,923,060.97 and 1,212,619.01

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Solution

The fourth proportional to 2,118,211.97, 2,923,060.97 and 1,212,619.01 is: 1,673,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,211.97 : 2,923,060.97 = 1,212,619.01 : x
  2. Step 2: Convert to fraction form
    2,118,211.97/2,923,060.97 = 1,212,619.01/x
  3. Step 3: Cross multiply
    2,118,211.97x = 2,923,060.97 × 1,212,619.01
  4. Step 4: Simplify right side
    2,118,211.97x = 3,544,559,288,027.28
  5. Step 5: Solve for x
    x = 3,544,559,288,027.28/2,118,211.97
  6. Step 6: Final answer
    x = 1,673,373.27

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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.