Home / 3,007,715.76-4,149,997.34-1,905,467.76

Finding the Fourth Proportional to 3,007,715.76, 4,149,997.34 and 1,905,467.76

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Solution

The fourth proportional to 3,007,715.76, 4,149,997.34 and 1,905,467.76 is: 2,629,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007,715.76 : 4,149,997.34 = 1,905,467.76 : x
  2. Step 2: Convert to fraction form
    3,007,715.76/4,149,997.34 = 1,905,467.76/x
  3. Step 3: Cross multiply
    3,007,715.76x = 4,149,997.34 × 1,905,467.76
  4. Step 4: Simplify right side
    3,007,715.76x = 7,907,686,125,928.42
  5. Step 5: Solve for x
    x = 7,907,686,125,928.42/3,007,715.76
  6. Step 6: Final answer
    x = 2,629,133.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.