Home / 2,315,581.40-3,195,467.34-1,297,022.60

Finding the Fourth Proportional to 2,315,581.40, 3,195,467.34 and 1,297,022.60

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Solution

The fourth proportional to 2,315,581.40, 3,195,467.34 and 1,297,022.60 is: 1,789,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,581.40 : 3,195,467.34 = 1,297,022.60 : x
  2. Step 2: Convert to fraction form
    2,315,581.40/3,195,467.34 = 1,297,022.60/x
  3. Step 3: Cross multiply
    2,315,581.40x = 3,195,467.34 × 1,297,022.60
  4. Step 4: Simplify right side
    2,315,581.40x = 4,144,593,357,541.88
  5. Step 5: Solve for x
    x = 4,144,593,357,541.88/2,315,581.40
  6. Step 6: Final answer
    x = 1,789,871.59

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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.