Home / 2,151,228.80-3,226,843.20-2,118,051.20

Finding the Fourth Proportional to 2,151,228.80, 3,226,843.20 and 2,118,051.20

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Solution

The fourth proportional to 2,151,228.80, 3,226,843.20 and 2,118,051.20 is: 3,177,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,228.80 : 3,226,843.20 = 2,118,051.20 : x
  2. Step 2: Convert to fraction form
    2,151,228.80/3,226,843.20 = 2,118,051.20/x
  3. Step 3: Cross multiply
    2,151,228.80x = 3,226,843.20 × 2,118,051.20
  4. Step 4: Simplify right side
    2,151,228.80x = 6,834,619,111,971.84
  5. Step 5: Solve for x
    x = 6,834,619,111,971.84/2,151,228.80
  6. Step 6: Final answer
    x = 3,177,076.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.