Home / 6,439,903.60-9,659,855.40-3,453,919.60

Finding the Fourth Proportional to 6,439,903.60, 9,659,855.40 and 3,453,919.60

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Solution

The fourth proportional to 6,439,903.60, 9,659,855.40 and 3,453,919.60 is: 5,180,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,903.60 : 9,659,855.40 = 3,453,919.60 : x
  2. Step 2: Convert to fraction form
    6,439,903.60/9,659,855.40 = 3,453,919.60/x
  3. Step 3: Cross multiply
    6,439,903.60x = 9,659,855.40 × 3,453,919.60
  4. Step 4: Simplify right side
    6,439,903.60x = 33,364,363,899,225.84
  5. Step 5: Solve for x
    x = 33,364,363,899,225.84/6,439,903.60
  6. Step 6: Final answer
    x = 5,180,879.40

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1.5x scale

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.