Home / 2,688,977.60-4,033,466.40-1,933,150.40

Finding the Fourth Proportional to 2,688,977.60, 4,033,466.40 and 1,933,150.40

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Solution

The fourth proportional to 2,688,977.60, 4,033,466.40 and 1,933,150.40 is: 2,899,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,977.60 : 4,033,466.40 = 1,933,150.40 : x
  2. Step 2: Convert to fraction form
    2,688,977.60/4,033,466.40 = 1,933,150.40/x
  3. Step 3: Cross multiply
    2,688,977.60x = 4,033,466.40 × 1,933,150.40
  4. Step 4: Simplify right side
    2,688,977.60x = 7,797,297,184,546.56
  5. Step 5: Solve for x
    x = 7,797,297,184,546.56/2,688,977.60
  6. Step 6: Final answer
    x = 2,899,725.60

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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.