Home / 2,100,032.20-3,150,509.10-679,846.60

Finding the Fourth Proportional to 2,100,032.20, 3,150,509.10 and 679,846.60

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Solution

The fourth proportional to 2,100,032.20, 3,150,509.10 and 679,846.60 is: 1,019,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,032.20 : 3,150,509.10 = 679,846.60 : x
  2. Step 2: Convert to fraction form
    2,100,032.20/3,150,509.10 = 679,846.60/x
  3. Step 3: Cross multiply
    2,100,032.20x = 3,150,509.10 × 679,846.60
  4. Step 4: Simplify right side
    2,100,032.20x = 2,141,862,899,904.06
  5. Step 5: Solve for x
    x = 2,141,862,899,904.06/2,100,032.20
  6. Step 6: Final answer
    x = 1,019,919.08

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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.