Home / 2,100,846.40-3,152,047.20-839,579.20

Finding the Fourth Proportional to 2,100,846.40, 3,152,047.20 and 839,579.20

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Solution

The fourth proportional to 2,100,846.40, 3,152,047.20 and 839,579.20 is: 1,259,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,846.40 : 3,152,047.20 = 839,579.20 : x
  2. Step 2: Convert to fraction form
    2,100,846.40/3,152,047.20 = 839,579.20/x
  3. Step 3: Cross multiply
    2,100,846.40x = 3,152,047.20 × 839,579.20
  4. Step 4: Simplify right side
    2,100,846.40x = 2,646,393,266,538.24
  5. Step 5: Solve for x
    x = 2,646,393,266,538.24/2,100,846.40
  6. Step 6: Final answer
    x = 1,259,679.56

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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.