Home / 4,969,830.60-7,454,745.90-3,178,240.20

Finding the Fourth Proportional to 4,969,830.60, 7,454,745.90 and 3,178,240.20

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Solution

The fourth proportional to 4,969,830.60, 7,454,745.90 and 3,178,240.20 is: 4,767,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,830.60 : 7,454,745.90 = 3,178,240.20 : x
  2. Step 2: Convert to fraction form
    4,969,830.60/7,454,745.90 = 3,178,240.20/x
  3. Step 3: Cross multiply
    4,969,830.60x = 7,454,745.90 × 3,178,240.20
  4. Step 4: Simplify right side
    4,969,830.60x = 23,692,973,100,165.18
  5. Step 5: Solve for x
    x = 23,692,973,100,165.18/4,969,830.60
  6. Step 6: Final answer
    x = 4,767,360.30

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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.