Home / 2,109,133.40-3,163,847.66-846,961

Finding the Fourth Proportional to 2,109,133.40, 3,163,847.66 and 846,961

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Solution

The fourth proportional to 2,109,133.40, 3,163,847.66 and 846,961 is: 1,270,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,133.40 : 3,163,847.66 = 846,961 : x
  2. Step 2: Convert to fraction form
    2,109,133.40/3,163,847.66 = 846,961/x
  3. Step 3: Cross multiply
    2,109,133.40x = 3,163,847.66 × 846,961
  4. Step 4: Simplify right side
    2,109,133.40x = 2,679,655,577,961.26
  5. Step 5: Solve for x
    x = 2,679,655,577,961.26/2,109,133.40
  6. Step 6: Final answer
    x = 1,270,500.76

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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.