Home / 2,740,660.63-4,111,558.28-821,494.32

Finding the Fourth Proportional to 2,740,660.63, 4,111,558.28 and 821,494.32

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Solution

The fourth proportional to 2,740,660.63, 4,111,558.28 and 821,494.32 is: 1,232,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,660.63 : 4,111,558.28 = 821,494.32 : x
  2. Step 2: Convert to fraction form
    2,740,660.63/4,111,558.28 = 821,494.32/x
  3. Step 3: Cross multiply
    2,740,660.63x = 4,111,558.28 × 821,494.32
  4. Step 4: Simplify right side
    2,740,660.63x = 3,377,621,780,051.44
  5. Step 5: Solve for x
    x = 3,377,621,780,051.44/2,740,660.63
  6. Step 6: Final answer
    x = 1,232,411.54

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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.