Home / 2,752,664.40-4,128,996.60-2,122,808.40

Finding the Fourth Proportional to 2,752,664.40, 4,128,996.60 and 2,122,808.40

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Solution

The fourth proportional to 2,752,664.40, 4,128,996.60 and 2,122,808.40 is: 3,184,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,664.40 : 4,128,996.60 = 2,122,808.40 : x
  2. Step 2: Convert to fraction form
    2,752,664.40/4,128,996.60 = 2,122,808.40/x
  3. Step 3: Cross multiply
    2,752,664.40x = 4,128,996.60 × 2,122,808.40
  4. Step 4: Simplify right side
    2,752,664.40x = 8,765,068,666,051.44
  5. Step 5: Solve for x
    x = 8,765,068,666,051.44/2,752,664.40
  6. Step 6: Final answer
    x = 3,184,212.60

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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.