Home / 2,100,830.40-3,152,023.20-839,563.20

Finding the Fourth Proportional to 2,100,830.40, 3,152,023.20 and 839,563.20

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Solution

The fourth proportional to 2,100,830.40, 3,152,023.20 and 839,563.20 is: 1,259,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,830.40 : 3,152,023.20 = 839,563.20 : x
  2. Step 2: Convert to fraction form
    2,100,830.40/3,152,023.20 = 839,563.20/x
  3. Step 3: Cross multiply
    2,100,830.40x = 3,152,023.20 × 839,563.20
  4. Step 4: Simplify right side
    2,100,830.40x = 2,646,322,684,266.24
  5. Step 5: Solve for x
    x = 2,646,322,684,266.24/2,100,830.40
  6. Step 6: Final answer
    x = 1,259,655.56

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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.