Home / 5,120,180.10-7,677,317.70-1,925,629.20

Finding the Fourth Proportional to 5,120,180.10, 7,677,317.70 and 1,925,629.20

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Solution

The fourth proportional to 5,120,180.10, 7,677,317.70 and 1,925,629.20 is: 2,887,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,180.10 : 7,677,317.70 = 1,925,629.20 : x
  2. Step 2: Convert to fraction form
    5,120,180.10/7,677,317.70 = 1,925,629.20/x
  3. Step 3: Cross multiply
    5,120,180.10x = 7,677,317.70 × 1,925,629.20
  4. Step 4: Simplify right side
    5,120,180.10x = 14,783,667,140,796.84
  5. Step 5: Solve for x
    x = 14,783,667,140,796.84/5,120,180.10
  6. Step 6: Final answer
    x = 2,887,333.42

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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.